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.