Aptitude and Reasoning Questions

Q:

If 3/5 of x is equal to 4/9 of y, then what is the ratio of x and y?

 

 

A) 11 : 15 B) 15 : 23
C) 20 : 27 D) 14 : 25
 
Answer & Explanation Answer: C) 20 : 27

Explanation:
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Q:

Select the related word/letters/number from the given alternatives.

 

9 : 738 : : 10 : ?

 

A) 1200 B) 1001
C) 1100 D) 1010
 
Answer & Explanation Answer: D) 1010

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Filed Under: Analogy
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Q:

Four dice are thrown simultaneously. Find the probability that all of them show the same face.

A) 1/216 B) 1/36
C) 2/216 D) 4/216
 
Answer & Explanation Answer: A) 1/216

Explanation:

The total number of elementary events associated to the random experiments of throwing four dice simultaneously is:

 

6*6*6*6=64

 

n(S) = 64

 

Let X be the event that all dice show the same face. 

 

X = { (1,1,1,1,), (2,2,2,2), (3,3,3,3), (4,4,4,4), (5,5,5,5), (6,6,6,6)}

 

n(X) = 6

 

Hence required probability = n(X)n(S)=664 =1216

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Q:

Select the related letters from the given alternatives.

GIK : PRT :: DFH : ?

A) LNP B) MOQ
C) RPN D) JLN
 
Answer & Explanation Answer: B) MOQ

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Q:

Select the related word/letters/numbers from the given alternatives:

ACEG:BDFH::IKMO: ?

A) IJKL B) JLNP
C) KLMN D) HIJK
 
Answer & Explanation Answer: B) JLNP

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Q:

Select the related word/letters/numbers from the given alternatives:

Cytology : Cells :: ? : Birds

A) Odontology B) Mycology
C) Etymology D) Ornithology
 
Answer & Explanation Answer: D) Ornithology

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Filed Under: Analogy
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Q:

In the following question, select the missing number from the given series.

 

9, 10, 13, 22, 49, ?

 

A) 117 B) 126
C) 115 D) 130
 
Answer & Explanation Answer: D) 130

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Filed Under: Number Series
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Q:

Select the related word/letters/number from the given alternatives.

18 : 30 : : 36 : ?

A) 78 B) 64
C) 66 D) 68
 
Answer & Explanation Answer: C) 66

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