Aptitude and Reasoning Questions

Q:

Find the next number in the given number series?

6, 6, 12, 36, 144, 720, ?

A) 4320 B) 3547
C) 2154 D) 1765
 
Answer & Explanation Answer: A) 4320

Explanation:

The given series is 6, 6, 12, 36, 144, 720, ?

6

6 x 1 = 6

6 x 2 = 12

12 x 3 = 36

36 x 4 = 144

144 x 5 = 720

720 x 6 = 4320

 

Hence, the next number in the given number series is 4320.

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Filed Under: Number Series
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12 57971
Q:

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

A) 3/7 B) 4/7
C) 1/8 D) 3/4
 
Answer & Explanation Answer: B) 4/7

Explanation:

Let number of balls = (6 + 8) = 14.

Number of white balls = 8.

P (drawing a white ball) = 8 /14 = 4/7.

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Filed Under: Probability

96 57967
Q:

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

IJ : PR : : ? : SU

A) IJ B) LM
C) EF D) LI
 
Answer & Explanation Answer: B) LM

Explanation:
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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT

0 57958
Q:

Find the value of

199992 x 200008 = ?

A) 39999799936 B) 39999999836
C) 39999999936 D) 39999999926
 
Answer & Explanation Answer: C) 39999999936

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 57925
Q:

Which of the following terms follows the trend of the given list?

 

BAAAAAAB, ABAAAAAB, AABAAAAB, AAABAAAB, AAAABAAB, _______________.

 

A) AAAAABAB   B) AAAAAABB  
C) BAAAAAAB   D) ABAAAAAB
 
Answer & Explanation Answer: A) AAAAABAB  

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 57670
Q:

Find out the wrong term in the following number series.

4, 16, 37, 58, 81.

A) 16 B) 37
C) 81 D) 4
 
Answer & Explanation Answer: C) 81

Explanation:

The series follows the following pattern.

 

4

 

16 = 42

 

37 = 12+62

 

58 = 32+72

 

81 52+82.

 

Here every number is based on the digits of previous number. Hence, 81 is the wrong number in the given series.

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Filed Under: Odd Man Out
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5 57631
Q:

Find the wrong number in the series

7, 28, 63, 124, 215, 342, 511

A) 28 B) 124
C) 215 D) 342
 
Answer & Explanation Answer: A) 28

Explanation:

Here the number follows the given rule 

 23-1, 33-1, 43-1, 53-1, ...

 

But 28 has been given in problem series.

 

so 28 is wrong number.

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Filed Under: Number Series
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126 57401
Q:

What is the value of (sin45 - √3) ?

 

A) (1-√6)/√2   B) (4-√3)/2√3  
C) -1/2√3   D) (2-√3)/2√3
 
Answer & Explanation Answer: A) (1-√6)/√2  

Explanation:
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Filed Under: Simplification
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