series completion verbal reasoning questions

12 years ago

pooja

1 minute

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, ?
A. 400 B. 410
C. 420 D. 430
Answer & Explanation

Answer: Option D

Explanation:

The pattern is + 90 + 100, + 110,…..

So, missing term = 310 + 120 = 430.

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47.

11, 10, ?, 100, 1001, 1000, 10001
A.    101
B.    110
C.    111
D.    None of these
Answer & Explanation

Answer: Option A

Explanation:

The pattern is – 1, x 10 + 1, – 1, x 10 + 1, – 1, x 10 + 1, …..

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

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48.

2, 7, 27, 107, 427, ?
A. 1262 B. 1707
C. 4027 D. 4207
Answer & Explanation

Answer: Option B

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.