Aptitude and Reasoning Questions

Q:

If (x + y)2 - xy = 0, then find the value of x3 - y3x - y.

 

A) 2 B) 3
C) 0 D) 5
 
Answer & Explanation Answer: C) 0

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Q:

Solve the following

 

36- [18 - {14 - (15 - 4 / 2 x 2)}]

 

 

A) 23 B) 21
C) 20 D) 22
 
Answer & Explanation Answer: B) 21

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Q:

An assertion and a reason are given below.

 

Assertion : When velocity is kept constant and wavelength is halved, then the frequency is doubled.

 

Reason : Velocity = Frequency x Wavelength

 

Choose the answer.

 

A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion B) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
C) Both Assertion and Reason are false D) Assertion is true but Reason is false
 
Answer & Explanation Answer: A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion

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Filed Under: Statement and Conclusions
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Q:

In a family, there are six members A, B, C, D, E and F. 

A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died. How is F related to A ? 

A) Mother B) Sister
C) Mother-in-law D) none of these
 
Answer & Explanation Answer: A) Mother

Explanation:

A is a male and married to B. So, A is the husband and B is the wife. C is the brother of A. D is the son of C. E, who is the sister of D will be the daughter of C. B is the daughter-in-law of F whose husband has died means F is the mother of A.

Clearly, F is the mother of A. 

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Q:

The area of a square is 60.5 cm². Find the length of its diagonal (in cm).

 

A) 5.5 B) 22
C) 11 D) 16.5
 
Answer & Explanation Answer: C) 11

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Q:

If s + 1s = 4, then the value of s2 + 1s2

 

A) 14 B) 16
C) 20 D) 24
 
Answer & Explanation Answer: A) 14

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Q:

Pick the odd man out

1 4 16 64 126

A) 1 B) 4
C) 64 D) 126
 
Answer & Explanation Answer: D) 126

Explanation:

1*3+1=4

4*3+4=16

16*3+16=64

64*3+64=208 but it is given 126

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Q:

Find the value of  21623 + 36-1   2

 

A) 216/6 B) 218/6
C) 215/6 D) 217/6
 
Answer & Explanation Answer: D) 217/6

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