number series Detailed Explanation And More Example

MOST IMPORTANT verbal reasoning - 4 EXERCISES

Top 10,000+ Verbal Memory Based Exercises

Directions:
In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

The following question based on series completion topic of verbal reasoning

Questions : 48, 24, 96, 48, 192, ?

(a) 76

(b) 90

(c) 96

(d) 98

The correct answers to the above question in:

Answer: (c)

The pattern is ÷2, ×4, ÷2, ×4, …..

So, missing term = 192 ÷ 2 = 96. 

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Read more number series test Based Verbal Reasoning Questions and Answers

Question : 1

10, 14, 26, 42, 70, ?

a) 100

b) 102

c) 106

d) 114

Answer: (d)

Each term in the series, except the first two terms, is 2 more than the sum of the preceding two terms.

Directions:
In each of the following questions, one term in the number series is wrong. Find out the wrong term.

Question : 2

4, 10, 22, 46, 96, 190, 382

a) 4

b) 10

c) 96

d) 382

Answer: (c)

The correct pattern is +6, +12, +24, +48, +96, +192.

So, 96 is wrong and must be replaced by (46 + 48) i.e. 94.

Directions:
In each of the following number series, two terms have been put within brackets. Mark your answer as
    (a) If both the bracketed terms are right;
    (b) If the first bracketed term is right and second is wrong;
    (c) If the first bracketed term is wrong and second is right; and
    (d) If both the bracketed terms are wrong.

[M.A.T. 2005]

Question : 3

4, 6, 10, (12), 16, (14), 22

a) If both the bracketed terms are right

b) if the first bracketed term is right and second is wrong

c) If the first bracketed term is wrong and second is right

d) If both the bracketed terms are wrong

Answer: (b)

The correct pattern is +2, +4, +2, +4, …..

Clearly, the term 12 is correct.

But, 14 is wrong and must be replaced by (16 + 2)

i.e. 18.

Question : 4

5760, 960, ?, 48, 16, 8

a) 120

b) 160

c) 192

d) 240

Answer: (c)

The pattern is ÷6, ÷5, ÷4, ÷3, ÷2.

So, missing term = 960 ÷ 5 = 192.

Question : 5

1, 4, 10, 22, 46?

a) 64

b) 86

c) 94

d) 122

Answer: (c)

The pattern is + 3, + 6, + 12, + 24, …..

So, missing term = 46 + 48 = 94.

Question : 6

325, 259, 204, 160, 127, 105, ?

a) 94

b) 96

c) 98

d) 100

Answer: (a)

The pattern is - 66, - 55, - 44, - 33, - 22, …..

So, missing term = 105 - 11 = 94.

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