ASSET A QUESTION A DAY-CLASS IX

17/10/18

Subject:Science

A coil of insulated copper wire is wrapped loosely around a hollow cylinder as shown here. Its ends are connected to a working cell.



When the switch is closed, the compass needle deflects. Here is what Sushil and his friends said about this apparatus.

Sushil: ''The cylinder must definitely be made of iron.''
Radha: ''The cylinder must be made of wood.''
Bill: ''The cylinder can be made of any material for the needle to deflect.''
Salma: ''The cylinder must be made of some metal for the needle to deflect.''

Who is correct?

A

Sushil

B

Radha

C

Bill

D

Salma

16/10/18

Subject:Maths

The sheet of paper shown below is folded along the dotted lines to form a cube.

Which of these pairs of letters will be on OPPOSITE sides of the cube?

A

P and U

B

Q and T

C

R and T

D

P and S

CORRECT ANSWER:B

15/10/18

Subject:English

Which sentence arranges the given words into a grammatically correct sentence?

A

She left a message asking him to call her for him.

B

She left for him a message asking him to call her.

C

She left him for a message asking him to call her.

D

She left a message for him asking him to call her.

CORRECT ANSWER:D

13/10/18

Subject:Social science

In recent years, the severe desertification of West Asia has been an environmental issue of concern. Of the following causes of desertification of this region, which one is NOTnecessarily a result of thoughtless human actions?

A

over-grazing

B

reduction of forest cover

C

advancing of sand dunes

D

over-use of water for irrigation

 

CORRECT ANSWER:C

12/10/18

Subject:Science

The disturbance to the Earth's surface in an earthquake damages property and life, because of collapsing buildings, structures and trees. 

An earthquake can cause floods too. What could be a likely reason for this?

A

The violent disturbances can lead to high rainfall.

B

The movement of the ground can result in dams breaking.

C

Huge amounts of groundwater escape from cracks in the ground.

D

The hot lava coming out of the ground combines with atmospheric oxygen.

Correct Answer: B

11/10/18

Subject:Maths

60 can be expressed as the sum of 5 consecutive numbers as follows:
60 = 10 + 11 + 12 + 13 + 14
The sum of the greatest and the smallest of these 5 consecutive numbers is 24.
90 can also be expressed as the sum of 5 consecutive numbers. What is the sum of the greatest and the smallest number of these 5 consecutive numbers?

A

36

B

46

C

54

D

84

CORRECT ANSWER:A

10/10/18

Subject:Science

Which of the following is/are multicellular?

1. a sperm
2. an embryo
3. a zygote

A

only 1

B

only 2

C

only 3

D

only 2 and 3

CORRECT ANSWER:B

9/10/18

Subject:Maths

What is the remainder when 33 x 33 x 33 is divided by 5?

(Hint: You do not have to do the multiplication!)
A
0
B
2
C
4
D
7

CORRECT ANSWER:B

8/10/18

Subject:English

''I can trust him to do the job asked of him.'' 
Which of the expressions below CANNOT replace ''trust him'' in the sentence above?
A
rely on him
B
bank on him
C
work on him
D
count on him

CORRECT ANSWER: C

6/10/18

Subject:SocialScience

Bishnupur temples are well-known for being constructed from a type of soil available locally. What material are these temples made of?

A

wood

B

terracotta

C

fibreglass

D

granite

CORRECT ANSWER:B

5/10/18

Subject:Science

If a very small piece of sodium is dropped in water you can observe flames in the water. If you drop a piece of magnesium into water you cannot observe any such flame. But we know sodium and magnesium do form compounds with water. 
From this we can say that _______________________.

A

water is insufficient in quantity to put out the flame

B

the flame magnesium produces is too small to be seen

C

magnesium can react with water only if water is present in small quantities

D

sodium reacts more vigorously with water than magnesium at room temperature

CORRECT ANSWER:D

4/10/18

Subject:Maths

Parzan and Gazi together have Rs 720. {frac(1/5)} of the amount Parzan has is equal to {frac(1/7)} of the amount Gazi has.

How much money does Parzan have?

A

Rs 60

B

Rs 145

C

Rs 300

D

Rs 420

CORRECT ANSWER:C

3/10/18

Subject:Science

A box is made by cutting and folding a thick sheet having a pattern drawn on it as shown. 


How many faces of the cube will have a complete circle?
A
0
B
1
C
2
D
3

CORRECT ANSWER:B

2/10/18

Subject:Maths

Two identical rectangles are cut from a square of side p cm as shown below. The length of the rectangle is q cm and the breadth is r cm.
What is the area of shape 2?

A
(pq + pr) cm2
B
(p2 - 2qr) cm2
C
(p - q) (p - r) cm2
D
(p2 - q2 - r2) cm2

CORRECT ANSWER:B

1/10/18

Subject:English

Choose the GRAMMATICALLY CORRECT sentence.

A

He has been having lunch in the last two hours.

B

He has been having lunch for the last two hours.

C

He has been having lunch since the last two hours.

D

He has been having lunch during the last two hours.

CORRECT ANSWER:B

29/09/18

Subject:Social Science

The tourism department of which state of India would use the following images?

A

Orissa

B

Maharashtra

C

Madhya Pradesh

D

Uttar Pradesh

CORRECT ANSWER:C

28/09/18

Subject:Science

A box is made by cutting and folding a thick sheet having a pattern drawn on it as shown.





What will the face OPPOSITE TO THE FACE MARKED 'X' look like?

A

B

C

D

Correct Answer: B

27/09/18

Subject:Maths

What is the square root of 1616 ?

A

44

B

816

C

164

D

168

Correct Answer: D

26/09/18

Subject:English

Combustion is the process in which a substance reacts with oxygen to give off heat. Example: a magnesium ribbon starts burning when heated in a flame. 

Given a combustible substance and oxygen, if the substance reaches its ignition temperature, it will start burning.

Spontaneous combustion is a special case of combustion where a material burns without heat being supplied from an external source. Example: a piece of phosphorus suddenly starts burning when kept in a dish on a table.

What could be the LIKELY reason for spontaneous combustion to happen?

A

Non-metals absorb heat from the atmosphere more quickly than metals and are likely to combust spontaneously because of this.

B

Materials that combust spontaneously have a special property - they need not reach the ignition temperature to combust.

C

Spontaneous combustion is a process that requires only the presence of the combustible substance; heat and oxygen are not required.

D

In the case of substances that combust spontaneously, a chemical reaction takes place which generates the heat required for combustion.

CORRECT ANSWER:D

25/09/18

Subject:English

Which of these is the same as the Least Common Multiple (LCM) of four numbers 5, 12, 311, 120?

A

LCM of 5 and 311

B

LCM of 311 and 120

C

LCM of 5, 12 and 311

D

(none of these)

Correct Answer: B

24/09/18

Subject:English

''Sometimes they are towed into the air by powered aircraft and then released.'' 
The above sentence can be rewritten as

A

Sometimes powered aircraft tows them into the air and then releases them.

B

Sometimes powered aircraft tow them into the air and then release them.

C

Sometimes powered aircraft towed them into the air and then released them.

D

Sometimes powered aircraft will have towed them into the air and then released them.

23/09/18

Subject:Social Science

Which of these is NOT a major source of revenue for the muncipal body of metropolitian cities of India?

A

property tax

B

selling of rations in fair price shops

C

tax on house rent

D

tax on billboards and hoardings

Correct Answer: B

20/09/18

Subject:Maths

Solid 1 is sliced horizontally and vertically to form 4 blocks of the same size. These are placed side by side to form solid 2.

The surface area of Solid 2 is ________________ the surface area of Solid 1.

A

equal to

B

less than

C

more than

D

(cannot say as dimensions of the solids are not given)

19/09/18

Subject:Science

It is a commonly held misconception that the mother's egg is responsible for determining whether the baby will be a boy or a girl. But actually it is the father's sperm, which decides this.

Which of the following makes the sperm the decisive factor?

A

A long tail is found only in the sperm which is not present in the egg.

B

There are more number of chromosomes in sperms compared to eggs.

C

Hormones are secreted only in the males which are present in the sperms.

D

A sperm can have either of the two sex chromosomes, while the egg has only one.

18/09/18

Subject:Maths

In the figure PQRS is a parallelogram. SR is extended to T.



Which of the following triangles has the same area as ΔPQT in the given figure?

A

ΔPTS

B

ΔPQS

C

ΔSQT

D

ΔSOT

CORRECT ANSWER:B

17/09/18

Subject:English

Which of these is grammatically INCORRECT?

A

I told him the solution to the problem.

B

I asked him for the solution to the problem.

C

I provided him with the solution to the problem.

D

I explained him the solution to the problem.

CORRECT ANSWER:D

15/09/18

Subject:Social Science

Following is an English translation of a Ghazal composed by Mirza Ghalib. 



Ghalib had said this in the context of an important historical event that destroyed Delhi. Which event was it?

A

the Sepoy Mutiny

B

the Partition of India

C

the Quit India Movement

D

the Fall of Emperor Humayun

CORRECT ANSWER:A

13/09/18

Subject:Maths

In an inter-school tennis championship held in a state, Santa Public School played {frac(2/3)}rd of the total number of matches played. In the matches the school played, the ratio of the number of matches it won to the number of matches it lost was 2:1. 

If the school lost 6 of the matches it played, the total number of matches played in the championship was

A

9.

B

12.

C

18.

D

27.

12/09/18

Subject:Science

A stationary box is acted upon by 5 forces represented by letters of the alphabet as shown in Figure 1. Under which of these conditions will the box move in the direction shown in Figure 2? Assume a frictionless surface.

A

S = P + Q and T < R

B

S = P and T = Q + R

C

S < P and T < Q + R

D

S > P or = P and T > Q + R

CORRECT ANSWER:D

10/09/18

Subject:Maths

Which of the following is true about triangles 1 and 2 marked in the cube shown below.

A

The areas of these triangles are the same.

B

The perimeters of these triangles are the same.

C

Both the areas and the perimeters of these triangles are same.

D

Both the areas and the perimeters of these triangles are different.

Correct Answer: D

8/09/18

Subject:Science

The British, in 1871, passed a law labelling some tribes as criminals because they pursued a nomadic way of life. The status of these tribes was changed after independence, in 1952. They were ''denotified'' (i.e. they were not notified as criminals any longer). However, many laws and regulations in various states still prohibit certain communities from travelling; others must still register at police stations in the districts they pass through. The Banjaras of Maharashtra are one such denotified nomadic tribe.
What effect is this enforced contact with the police MOST likely to have upon them?

A

Travelling from place to place becomes slower but easier.

B

It makes them liable to suspicion when crimes actually occur.

C

It results in them committing more criminal offences.

D

These regulations make no difference to the nomadic tribes.

CORRECT ANSWER:B

7/09/18

Subject:Science

A boy is looking at a mirror in front of which a pencil is put. Where will he see the reflection of the pencil?

A

A

B

B

C

C

D

D

CORRECT ANSWER:B

6/09/18

Subject:Maths

A piece of cardboard is cut to the shape shown and 2 dots are marked on it. 

The cardboard is then folded along the lines to form a CUBE.Which of the cubes shown here CAN be constructed from the cardboard piece?

A

 

B

 

C

 

D

CORRECT ANSWER:A

5/09/18

Subject:Science

Water is flowing through a pipe having a circular cross-section. The diameter of the pipe reduces in section P as shown.

How will the speed of the water change in section P?

A

It will increase.

B

It will reduce.

C

It will stop altogether.

D

It will not change.

CORRECT ANSWER:A

4/09/18

Subject:Maths

Shown below is a board divided into 6 identical sectors, with a pointer that can be spun on it.


When the pointer is spun, it spins for some time and comes to a stop on a sector. The chances of it stopping on any sector are equal.
Arif wants to colour some sectors green. How many sectors should he colour green so that the probability of the pointer stopping on a green sector is {frac(1/3)}?

A

1

B

2

C

3

D

4

CORRECT ANSWER:B

3/09/18

Subject:English

Rigorous training is a __________ for becoming a special constable.
Which word is correctly spelt and completes the sentence meaningfully?

A

criterrion

B

quallification

C

prerequisite

D

precondittion

CORRECT ANSWER:C

1/09/18

Subject:English

Rigorous training is a __________ for becoming a special constable.
Which word is correctly spelt and completes the sentence meaningfully?

A

criterrion

B

quallification

C

prerequisite

D

precondittion

An 'ecosystem engineer' is any animal or plant that creates or modifies its habitat and greatly affects other plant and animal species. They are capable of changing entire ecosystems. Which one of the following is an example of ecosystem engineering that would have a negative effect?

A

rapid growth of aquatic plants in waterbodies

B

creepers that monkeys use to swing from trees

C

beavers building dams and creating wetlands

D

caterpillars creating shelters from leaves

CORRECT ANSWER: A

31/08/18

Subject:Science

An object placed on a horizontal surface was given a push. It moved some distance and then it stopped. At what time was friction acting on the object?
1. the moment the object was pushed
2. when the object was moving
3. when it was finally in a resting position

A

only 2

B

only 1 and 2

C

only 2 and 3

D

all - 1, 2, and 3

CORRECT ANSWER:B

30/08/18

Subject:Maths

The largest SEMICIRCLE that can be cut out of the rectangle shown here will have a radius of

A

4 cm

B

8 cm

C

9 cm

D

10 cm

CORRECT ANSWER:B

29/08/18

Subject:Science

The simple series circuit consists of three identical bulbs 1, 2 and 3 connected to a battery. As shown in Fig X, all the bulbs glow with equal brightness.
Which of the following happens when a wire is connected between points P and Q (as shown in Fig Y)? 
A

Bulb 2 fuses and stops glowing. Bulbs 1 and 3 glow with greater brightness.

B

Bulb 2 stops glowing. Bulbs 1 and 3 glow with greater brightness.

C
All the three bulbs glow but with reduced brightness.
D

No change takes place. All the three bulbs glow without any change in the brightness.

CORRECT ANSWER:B

28/08/18

Subject:Maths

The formula for calculating the area of the walls of a rectangular room, A is given as

Which of the following would be the correct formula to find the breadth of a room when the area, height and length are given?
A
A - 2hl
B
(A - l)2h
C
-2h(A - l)
D
A2h - l

CORRECT ANSWER :D

27/08/18

Subject:English
Which word can be used in the middle of the two words given below to form a new word ?


A
FUSE
B
FINE
C
SIDE
D
CURE

CORRECT ANSWER:C

25/08/18

Subject:Social Science

The Buddha image shown in the picture is from Mathura, and is believed to have been made about 1000 years after the Buddha's time. The date of this image is likely to coincide with which ruling dynasty of Indian history?



A
Nandas of 4th century BC
B
Mauryas of 3rd Century BC
C
Sungas of 2nd century BC
D
Guptas of 3rd century AD

Correct Answer: D

 

24/08/18

Subject:Science

Study the path of a light ray shown here to understand how light behaves when it moves between transparent media having different refractive indices.

Now arrange materials P, Q and R FROM LOWEST TO HIGHEST REFRACTIVE INDEX based on the path of this light ray shown.

A
P, Q, R
B
Q, P, R
C
Q, R, P
D
R, P, Q

Correct Answer: C

23/08/18

Subject:Maths

The area of the shaded part of the quadrilateral is

A
77 cm2
B
98 cm2
C
154 cm2
D
(Cannot say)

Correct Answer: C

21/08/18

Subject:Maths

Travelling only along the edges and covering a distance of exactly 22 cm, how many different routes can be taken to go from corner P to corner Q of this cuboid?

A
10
B
8
C
6
D
1

Correct Answer: C

20/08/18

Subject:English

Hard words break no bones.
Which of these proverbs is OPPOSITE in meaning to the one above?

A
Talk much and err much.
B
The tongue is not steel, yet it cuts.
C
Speech is silver, silence is golden.
D
He cannot speak well, that cannot hold his tongue.

Correct Answer: B

18/08/18

Subject:Social Science

In 2001, the Pre-conception and Pre-natal Diagnostic Tests Act (PCPNDT) Act was declared which forbids parents from finding out the sex of the child in the mother's womb through any medical procedure.

What is the main reason for the passing of this act?

A

an overall decrease in the national population

B

an increase in the killing of unborn female children

C

an increase in the national medical expenditure

D

an international treaty that made India pass this act

CORRECT ANSWER:B

17/08/18

Subject:Science

If the earth (which is revolving around the sun in the direction shown) is at P at 12:00:01 AM on January 1, 2000 a leap year, where will it be at 12:00:01 AM on January 1, 2001?

A

Exactly at the same position P.

B

A little ahead of the position P.

C

A little behind the position P.

D

At the position Q shown.

Correct Answer: B


16/08/18

Subject:Maths

√3 is an irrational number. Which of the following operations on it will yield a rational number?

A

Adding √3 to it.

B

Adding {frac(1/√3)} to it.

C

Multiplying it by √3.

D

Multiplying it by √9.

15/08/18

Subject:Science

Shown here is the life cycle of the common frog.


If we compare the adult frog to the tadpole, we would see that there are no visible similarities between them. A complete change in physical appearance happens through various stages from tadpole to adult.

Given below are the stages of development in various organisms. Whose development is similar to that of the frog?

A

Egg -> Chick -> Hen -> Egg

B

Egg -> Fry -> Adult fish ->Egg

C

Egg -> Duckling -> Duck -> Egg

D

Egg -> Caterpillar -> Pupa -> Butterfly ->Egg

CORRECT ANSWER: D

14/08/18

Subject:Maths

Zubin wants to cover the CURVED SURFACE of an old waste paper basket with coloured paper. The dimensions of the basket are shown below. What is the total area that has to be covered with paper?

A

220 cm2

B

440 cm2

C

880 cm2

D

1760 cm2

CORRECT ANSWER : C

13/08/18

Subject:English

The family had not anticipated the sudden snowfall, so they raided the cowshed for sacks and sheets to cover the tender fruit from the cold, until the sun came up in the morning.

Choose the option that can BEST replace the underlined phrase in the sentence above.

A

inoculate

B

incubate

C

incarnate

D

insulate

CORRECT ANSWER:D

12/08/18

Subject:English

Confused and __________, fumbling and stammering, Sara struggled to remember her dialogues on stage, __________ the cheers from her friends.

Which of the following pairs best completes the sentence above?

11/08/18

Subject:Social Science

River Rafting is journeying on a torrential river on an inflatable rubber boat. Rivers originating at high altitudes have torrential flow near their source.



Which of the following places would be suitable for river rafting?

  • ASabarmati in Ahmedabad
    BGomti in Lucknow
  • CGanga in Rishikesh
    DHughli in Kolkata

CORRECT ANSWER: C

10/08/18

Subject:Science

The contour map of a hilly region shown in the figure below does not show a river that actually flows through it.

Which of these arrows could be representing the position and direction of the river correctly?

A

 

B

 

C

 

D

CORRECT ANSWER :B

6/08/18

Subject:English

''When death rattled the gate....'' - What is the figure of speech here?

A

Alliteration

B

Personification

C

Metaphor

D

Simile

4/08/18

Subject:Social Science

Teak is a variety of Indian hardwood that has been in use across centuries exported to places as far as ancient Rome for shipbuilding.Teak is native to very few countries like Myanmar (Burma) and Laos.
Which other country below is likely to have forests and plantations of teak?

A

Japan

B

Malaysia

C

Australia

D

Afghanistan

Correct Answer: B

3/08/18

Subject: Science

The theory of evolution applies

A

only to animals.

B

only to plants.

C

only to all plants and animals.

D

To all rocks, plants and animals.

Correct Answer: C

2/08/18

Subject:Maths

Kunal has 2 identical papers of length l and breadth b (l > b). He rolls one of the papers along the length and the other along the breadth, to make 2 cylinders (as shown below). 


(The opposite edges coincide exactly without any overlap.)

Which of these can be said about the volume enclosed by two cylinders?

A

Cylinder 1 encloses greater volume.

B

Cylinder 2 encloses greater volume.

C

Both the cylinders will have equal volume.

D

Nothing can be said about the volumes unless specific values ofl and b are known.

Correct Answer: B

1/08/18

Subject:Science

Almost all organisms burn glucose or other carbohydrates to get energy for their life processes. What is the original source for most of these carbohydrates?

A

chemical factories that manufacture them

B

They are produced in the organism itself from water and CO2.

C

They are naturally found in the soil and easily available.

D

They are produced by autotrophs through photosynthesis.

Correct Answer: D

31/07/18

Subject:Maths

In an isosceles triangle PQR with PQ = PR, 
PS is the bisector of angle QPR. QP is 
extended to T and PU is drawn 
parallel to QR.

From this, which of the following 
CANNOT be concluded?

A

PS is perpendicular to QR.

B

PU is the bisector of angle TPR.

C

PS is a median of the triangle.

D

PR is the bisector of angle UPS.

Correct Answer: D

30/07/18

Subject:English

''The prosecution's case was on the rocks, their star witness had refused to speak up in court.''
Choose the option that BEST represents the sentence above.

A

''The prosecution's casewas on solid ground, their star witness had refused to speak up in court.''

B

''The prosecution's casewas successful, their star witness had refused to speak up in court.''

C

''The prosecution's casewas defeated, their star witness had refused to speak up in court.''

D

''The prosecution's casewas in trouble, their star witness had refused to speak up in court.''

Correct Answer: D

28/07/18

Subject:Social Science

Which of the following modern Indian states has a river estuary?

A

Chhattisgarh

B

Bihar

C

Assam

D

Goa

Correct Answer: D

27/07/18

Subject:Science

Only about 50% of the solar energy directed towards Earth reaches its surface.

What happens to the rest of it?

A

It is lost in overcoming the sun's gravity.

B

It is lost as the rays travel through space.

C

It is reflected off the Moon and back into space.

D

It is absorbed or reflected by the clouds and the atmosphere.

Correct Answer: D


26/08/18

Subject:Maths

What is the remainder when 33 x 33 x 33 is divided by 5?

(Hint: You do not have to do the multiplication!)

A

0

B

2

C

4

D

7

Correct Answer: B

25/07/18

Subject:Science

Shown here is a figure with a scale bar on it. The scale bar is like a little ruler that can be used to figure out the size of objects in the photograph. The length of the scale bar shown is 100 nm, which means 10 thousandth of a millimeter.

What could the circles be?

A

a star

B

a virus

C

a food grain

D

a sand particle

Correct Answer: B

24/07/18

Subject:Maths

The square root of 27225 lies between 
(Note: You need not calculate.)

A

50 and 60.

B

120 and 130.

C

160 and 170.

D

500 and 600.

Correct Answer: C

23/07/18

Subject:English

Choose the correct option that completes the sentence below.

Both students are equally good, __________.

A

either is capable of winning the President's Cup

B

nor is one capable of winning the President's Cup

C

either are capable of winning the President's Cup

D

or are capable of winning the President's Cup

Correct Answer: A


21/07/18

Subject:Social Science

Which of these aspects of history is likely to be highlighted in the writings of a Marxist historian?

A

The glory of a king after a military victory

B

The plight of workers in a textile mill

C

The message and philosophy of religion

D

The architecture of the Indo-Islamic period

Correct Answer: B

20/07/18

Subject:Science

CHLOROPHYLL in the leaf of the plant is responsible for utilization of sunlight in the process of photosynthesis. The part of the spectrum required for photosynthesis is ABSORBED by chlorophyll. Which colour(s) of the spectrum does chlorophyll use during photosynthesis?

A

All the colours

B

Only the green colour

C

Mainly the non-green colours

D

Only the infra-red part

Correct Answer: C

19/07/18

Subject:Maths

For which of these values of m is 0. 8 × 10m a perfect cube?

A

9

B

8

C

7

D

6

Correct Answer: C

18/07/18

Subject:Science

Viruses are responsible for causing many diseases. Among the following, which is NOT true about viruses?

A

They can only multiply inside another host organism.

B

They are not visible to the naked eye.

C

They belong to the amoeba family.

D

They exhibit a variety of structures.

Correct Answer: C

17/07/18

Subject:Maths

-50, -46, -42, -38, -34, -30... 
Which of the following will appear in the above sequence?

A

-8

B

0

C

1

D

2

Correct Answer: D

16/07/18

Subject:English

I met an European, an American and a Ukranian. 
The sentence is __________.

A

Correct. No change needs to be made.

B

Incorrect. The 'a' should be replaced with 'an' before 'Ukranian'.

C

Incorrect. The 'an' should be replaced with 'a' before 'European'.

D

Incorrect. The 'an' should be replaced with 'a' before 'American'.

Correct Answer: C

14/08/18

Subject:Social Science


Shown here is Pratibha Patil, the twelfth President of India. She was also the __________.

A

Supreme Commander, Armed Forces

B

Governor, Reserve Bank of India

C

Head, Council of Ministers

D

Minister of Defence

Correct Answer: A

13/07/18

Subject:Science

Many modern tanks for water and liquid fuels are made spherical in nature. What could be the reason behind this?

A

It is easier to build spherical tanks compared to tanks of other shapes.

B

For a given surface area, spherical tanks enclose maximum volume.

C

It is easier to transport spherical tanks when repairs, etc. are required.

D

Liquids get preserved better when they are stored in spherical tanks.

Correct Answer: B

12/07/18

Subject:Maths

Two consecutive integers m and n are such that m > n. The difference m2-n2

A

is always an odd positive integer.

B

is always an even positive integer.

C

can be positive or negative but will be odd.

D

can be positive or negative but will be even.

Correct Answer: C

11/07/18

Subject:Science

Compressed oxygen gas stored in cylinders is used for many purposes, the most common being medical purposes.

What matter is present in the space between two oxygen molecules in the cylinder?

A

air

B

carbon dioxide

C

There is no space between them.

D

There is no matter between them.

Correct Answer: D

10/07/18

Subject:Maths

The population graph of India is shown below.

In which of these periods was the population increase the LEAST?

A

1950-1960

B

1970-1980

C

1980-1990

D

1990-2000

Correct Answer: A

10/07/18

Subject:English

Bobby was surprised to find that many boys in his new school were interested in art, because this school was known to be more serious about sports and had its own cricket field. 

Which expression completes the sentence meaningfully?

A

Better be alone than in bad company

B

One man's food is another man's poison

C

Never judge a book by its cover

D

Penny wise, pound foolish

Correct Answer: C

9/07/18

Subject:Social Science

The image here is a Syrian carving from the ninth century BC. It shows the Sumerian hero, King Gilgamesh, supporting the Sun with the help of two demi-gods. Gilgamesh ruled over a city called Uruk, situated now in southern Iraq. This symbol was also one of the best-known symbols of the main religion of the ancient Persian Empire. Which religion is it?

A

Zoroastrianism

B

Christianity

C

Judaism

D

Islam

Correct Answer: A

 

 



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