Sawaal
10
Q:

What will come in place of the question mark (?) in the following number series?

5, 7, ?, 25, 45, 75

A) 11 B) 13
C) 15 D) 19

Answer:   B) 13



Explanation:

The series given follow the pattern

 

+2, +2+4, +2+4+6, +2+4+6+8, +2+4+6+8+10,...

 

Here ? = 7 + 2 + 4 = 13.

Subject: Odd Man Out
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk
Related Questions
Q:

Insert the missing number.

7, 26, 63, 124, 215, 342, (....)

A) 391 B) 421
C) 481 D) 511
 
Answer & Explanation Answer: D) 511

Explanation:

Numbers are (23 - 1), (33 - 1), (43 - 1), (53 - 1), (63 - 1), (73 - 1) etc.

So, the next number is (83 - 1) = (512 - 1) = 511.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

383 165306
Q:

Insert the missing number.

8, 7, 11, 12, 14, 17, 17, 22, (....)

A) 20 B) 22
C) 24 D) 27
 
Answer & Explanation Answer: A) 20

Explanation:

There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

115 97285
Q:

Insert the missing number.

2, 4, 12, 48, 240, (....)

A) 960 B) 1440
C) 1080 D) 1920
 
Answer & Explanation Answer: B) 1440

Explanation:

Go on multiplying the given numbers by 2, 3, 4, 5, 6.

So, the correct next number is 1440.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

111 94840
Q:

Find out the wrong number in the given sequence of numbers.

56, 72, 90, 110, 132, 150

A) 72 B) 110
C) 132 D) 150
 
Answer & Explanation Answer: D) 150

Explanation:

The numbers are 7 x 8, 8 x 9, 9 x 10, 10 x 11, 11 x 12, 12 x 13.

So, 150 is wrong.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

17 82804
Q:

Find out the wrong number in the given sequence of numbers.

52, 51, 48, 43, 34, 27, 16

A) 27 B) 34
C) 43 D) 48
 
Answer & Explanation Answer: B) 34

Explanation:

Subtract 1, 3, 5, 7, 9, 11 from successive numbers.

So, 34 is wrong.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

30 82074
Q:

Find out the wrong number in the given sequence of numbers.

1, 2, 6, 15, 31, 56, 91

A) 31 B) 91
C) 56 D) 15
 
Answer & Explanation Answer: B) 91

Explanation:

1, 1 + 12 = 2, 2 + 22 = 6, 6 + 32 = 15, 15 + 42 = 31, 31 + 52 = 56, 56 + 62 = 92

Last number of given series must be 92 not 91.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

54 67848
Q:

Find the odd man out.

41, 43, 47, 53, 61, 71, 73, 81

A) 41 B) 61
C) 71 D) 81
 
Answer & Explanation Answer: D) 81

Explanation:

Each of the numbers except 81 is a prime number.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

153 165596
Q:

Find the odd man out.

2, 5, 10, 17, 26, 37, 50, 64

A) 50 B) 37
C) 26 D) 64
 
Answer & Explanation Answer: D) 64

Explanation:

(1*1)+1 , (2*2)+1 , (3*3)+1 , (4*4)+1 , (5*5)+1 , (6*6)+1 , (7*7)+1 , (8*8)+1

But, 64 is out of pattern.

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out

174 188216