Questions

Q:

Macroeconomics can best be described as the

A) analysis of how a consumer tries to spend income. B) analysis of how firms attempt to maximize their profits.
C) study of how supply and demand determine prices in individual markets. D) study of the large aggregates of the economy or the economy as a whole.
 
Answer & Explanation Answer: D) study of the large aggregates of the economy or the economy as a whole.

Explanation:
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Q:

The number of free electrons in the outermost shell of carbon atoms in diamand is

A) zero B) two
C) four D) three
 
Answer & Explanation Answer: A) zero

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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

The investigations of the

X-peculiar place in the economy of the body
Y-physiologist and the psychologist
Z-have revealed that the brain holds a

A) YXZ B) XZY
C) XYZ D) YZX
 
Answer & Explanation Answer: D) YZX

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Q:

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Once again, a _____________ monsoon so vital to India's economic fortunes has left some states in shambles. From Assam to Karnataka, heavy rainfall in a ____________ has created paralysing floods that have taken a _______________, wiped out crops and destroyed hard-earned assets. When the waters ___________, a familiar cycle of assessment of damage by Central teams, preparation of loss estimates and expensive ____________ work such as repairs of river embankments, will follow.


heavy rainfall in a ____________

A) short span of time B) very quickly
C) short moments D) fraction of a second
 
Answer & Explanation Answer: A) short span of time

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Alphabet soup

A) A beautiful poem. B) A text which nourishes your soul.
C) A book that is close to your heart. D) A confusing or confused mixture of things
 
Answer & Explanation Answer: D) A confusing or confused mixture of things

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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

My uncle goes to office on bicycle or by foot.

A) by bicycle or by foot B) by bicycle or on foot
C) on bicycle or on foot D) No improvement
 
Answer & Explanation Answer: B) by bicycle or on foot

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Q:

A cube is inscribed in a sphere. A right circular cylinder is within the cube touching all the vertical faces. A right circular once is inside the cylinder. Their heights are same and the diameter of the cone is equal to that of the cylinder.

Consider the following statements:

1) The surface area of the sphere is √5 Times the curved surface area of the cone.

2) The surface area of the cube is equal to the curved surface area of the cylinder. Which of the above statements is/are correct?

 

A) 1 only B) 2 only
C) Both 1 and 2  D) Neither 1 nor 2
 
Answer & Explanation Answer: D) Neither 1 nor 2

Explanation:
The top view of the given assembly will look like the figure above
Outermost is the sphere. Inside that there is a cube and within that there is a cone and cylinder with same radius.
Here side of cube = a
Diameter of Sphere = body diagnol = √3 a
Radius of sphere = √3 a/2 =r1
Height of Cylinder = Height of cone = side of cube = a =h
Radius of cylinder = Radius of cone = side of cube/2 = a/2 =r2(as shown in the figure)
 
Thus neither 1 nor 2 are true
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

I told to the coach(A)/that I won't be able(B)/to come for the practice.(C)/No error(D)

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

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