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Q:

Find the Odd Number in the given Number Series?

3, 6.5, 14, 29, 64, 136

A) 14 B) 64
C) 29 D) 136

Answer:   C) 29



Explanation:

The Given number series 3, 6.5, 14, 29, 64, 136 follows a pattern that

3

3 x 2 + 0.5 = 6.5

6.5 x 2 + 1 = 14

14 x 2 + 2 = 30 ≠29

30 x 2 + 4 = 64

64 x 2 + 8 = 136

Thus the wrong number in the series is 29

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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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Answer & Explanation Answer: C) 437

Explanation:

Except 437 all others are prime numbers.

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Answer & Explanation Answer: D) Granite

Explanation:

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Explanation:

The terms of the series are products of two consecutive prime numbers i.e.

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So, 165 is wrong and must be replaced by (11 x 13) i.e. 143.

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Find the odd one out of the series ?

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A) 63 B) 48
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Answer & Explanation Answer: C) 35

Explanation:

48, 54, 63, 81 and 105 are divisible by 3 but not 35.

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Find the odd term from the given series of numbers  ?

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Answer & Explanation Answer: B) 165

Explanation:

From the beginning, the next term comes by adding prime numbers in a sequence of 2, 3, 5, 7, 9, 11, 13... to its previous term. But 165 will not be in the series as it must be replaced by 166 since 153+13 = 166.

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Answer & Explanation Answer: A) 4-15-24

Explanation:

In each term second two numbers are multiples of the first number. But in 4-15-24 15 is not multiple of 4.

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Explanation:

The sum of the digits in 708, 618 and 816 is 15, but not in 392.

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