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Verbal Reasoning - Series Completion

Exercise : Series Completion - Section 1
Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

21.
13, 32, 24, 43, 35, ?, 46, 65, 57, 76
45
52
54
55
Answer: Option
Explanation:

The given sequence is a combination of two series:

I. 13, 24, 35, 46, 57 and II. 32, 43, ?, 65, 76

The pattern in both I and II is + 11. So, missing term = 43 + 11 = 54.

22.
22, 24, 28, ?, 52, 84
36
38
42
46
Answer: Option
Explanation:

The pattern is + 2, + 4, + 8, + 16,.....

So, missing term = 28 + 8 = 36.

23.
3, 15, ?, 63, 99, 143
27
35
45
56
Answer: Option
Explanation:

The terms of the given series are (22 - 1), (42 - 1),....., (82 - 1), (102 - 1), (122 - 1).

So, missing term = (62 - 1) - (36 - 1) = 35.

24.
90, 180, 12, 50, 100, 200, ?, 3, 50, 4, 25, 2, 6, 30, 3
150
175
225
250
Answer: Option
Explanation:

Clearly, 90 = 30 x 3, 180 = 6 x 30, 12 = 2 x 6, 50 = 25 x 2, 100 = 4 x 25, 200 = 50 x 4.

So, missing term = 3 x 50 = 150.

25.
48, 24, 96, 48, 192, ?
76
90
96
98
Answer: Option
Explanation:

The pattern is ÷ 2, x 4, ÷ 2, x 4, .....

So, missing term = 192 ÷ 2 = 96.

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