33
Q:

# 8, 15, 28, 53, ?, 199

 A) 101 B) 102 C) 103 D) 104

Explanation:

Here the series of the form is $\inline&space;\fn_cm&space;\times&space;2-1,\:&space;\times&space;2-2,\:&space;\times&space;2-3,\:&space;\times&space;2-4,\:&space;\times&space;2-5$

$\fn_cm&space;\therefore&space;\:&space;53\times&space;2-4=102$

Q:

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

132       156       ?         210          240          272

 A) 196 B) 182 C) 199 D) 204

Explanation:

The given series follows a logic that

11 x 12, 12 x 13, 13 x 14, 14 x 15, 15 x 16,...

So the missing number is 13 x 14 = 182

Filed Under: Series - Verbal Reasoning - Mental Ability
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6 178
Q:

Complete the number series given below ?

13        19       37      ?         141        243

 A) 58 B) 67 C) 75 D) 96

Explanation:

The given series follows the pattern that

So the missing number is  37 + 38 = 75

75 + 66 = 141

....

Filed Under: Series - Verbal Reasoning - Mental Ability
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5 212
Q:

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

5 14 45 130 (?) 1182

 A) 222 B) 397 C) 404 D) 415

Explanation:

The pattern of given series is :

5

14 = (5x3) - 1

45 = (14x3) + 3

130 = (45x3) - 5

(?) = (130x3) + 7

=> (?) = 397

1182 = (397x3) - 9

Thus, the missing number is 397.

Filed Under: Series - Verbal Reasoning - Mental Ability
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4 207
Q:

Find the missing number in the given series :

1  4  27  '?'  3125  46656

 A) 125 B) 625 C) 404 D) 256

Explanation:

It follows the rule that

1 2x2  3x3x3  4x4x4x4   5x5x5x5x5  ...

So the missing number is 4x4x4x4 = 256.

Filed Under: Series - Verbal Reasoning - Mental Ability
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

6 223
Q:

Find the wrong number in the given series :

26, 20, 16, 11, 8, 6, 5

 A) 5 B) 26 C) 11 D) 16

Explanation:

26 - 6 = 20

20 - 5 = 15

15 - 4 = 11

11 - 3 = 8

8 - 2 = 6

6 - 1 = 5

Therefore, 16 is wrong number.