Multiple choice

A series is given with two term missing choose the correct alternative from the given alternatives that will complete that will complete the series. 2, 7, 5, 9, 9, 11, 14, 13, ?, ?

  1. 22, 16

  2. 16, 22

  3. 15, 20

  4. 20, 15
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D Correct answer
Explanation

The series has two interleaved patterns. Odd positions (1,3,5,7,9): 2, 5, 9, 14, ? with differences +3, +4, +5. The next difference should be +6, so 14+6 = 20. Even positions (2,4,6,8,10): 7, 9, 11, 13, ? with constant difference +2. The next term is 13+2 = 15. Therefore the missing terms are 20, 15 in that order.

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