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1. Which of the following is the next number in the series : 1, 3, 2, 4, 3, 5, 4, 6, 5, ... ??
- A. 7
- B. 7
- C. 7
- D. 7
Answer: Option A
Explanation:
Numbers at odd positions form a different series as well as the numbers at even positions.
Series formed by the numbers at odd positions = 1, 2, 3, 4, 5,.........
Series formed by the numbers at even positions = 3, 4, 5, 6, 7.........
So, the next number in the series is 7.
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