Aptitude and Reasoning Questions

Q:

What is the value of (sinA -­ 2sin3A)/(2cos3A -­ cosA)?

A) cotA B) cosecA
C) secA D) tanA
 
Answer & Explanation Answer: D) tanA

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Q:

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

c_e_cd_f_de_

A) dfecf B) dfcef
C) fdcef D) dffcd
 
Answer & Explanation Answer: A) dfecf

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Q:

What is the value of sec2θ + 1sec2θ - 1 x 12cotθ - tanθ ?

A) 0 B) 1
C) cosec θ D) sec θ
 
Answer & Explanation Answer: B) 1

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Q:

In 3 years Rs 3000 amounts to Rs 3993 at x% compound interest, compounded annually. The value of x is

A) 10 B) 8
C) 5 D) 3 1/3
 
Answer & Explanation Answer: A) 10

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Q:

If Cot θ = 21/20, then what is the value of Cosec θ?

A) 21/29 B) 29/21
C) 20/29 D) 29/20
 
Answer & Explanation Answer: D) 29/20

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Q:

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

A) 20 B) 50
C) 25 D) 30
 
Answer & Explanation Answer: D) 30

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Q:

If a - b = 4 and ab = -3, then what is the value of a3- b3?

A) 21 B) 28
C) 23 D) -20
 
Answer & Explanation Answer: B) 28

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Q:

If (4x - 3) - (2x + 1) = 4, then the value of x is

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

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