BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

1 . Which of the following is the next number in the series : 1, 3, 2, 4, 3, 5, 4, 6, 5, ... ??

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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.