Verbal Reasoning - Series Completion - Discussion
Discussion Forum : Series Completion - Section 2 (Q.No. 20)
Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
20.
3, 7, 15, ?, 63, 127
Answer: Option
Explanation:
Each number in the series is one more than twice the preceding number.
So, missing term = (15 x 2) + 1 = 31.
Discussion:
1 comments Page 1 of 1.
Sai said:
9 years ago
3 - 5 = 4,
4 * 2 = 8,
8 + 7 = 15,
15 + 16 = 31.
4 * 2 = 8,
8 + 7 = 15,
15 + 16 = 31.
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