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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.

46.
10, 100, 200, 310, ?
400
410
420
430
Answer: Option
Explanation:

The pattern is + 90 + 100, + 110,.....

So, missing term = 310 + 120 = 430.

47.
11, 10, ?, 100, 1001, 1000, 10001
101
110
111
None of these
Answer: Option
Explanation:

The pattern is - 1, x 10 + 1, - 1, x 10 + 1, - 1, x 10 + 1, .....

So, missing term = 10 x 10 + 1 = 101.

48.
2, 7, 27, 107, 427, ?
1262
1707
4027
4207
Answer: Option
Explanation:

The pattern is + 5, + 20, + 80, + 320, ...... i.e. + (5 x 12), + (5 x 22), + (5 x 42), + (5 x 82),.....

So, missing term = 427 + (5 x 162) = 427 + 1280 = 1707.

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