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8,9,8,7,10,9,6,11,10,?,12...

8,9,8,7,10,9,6,11,10,?,12

A

5

B

7

C

8

D

11

Text Solution

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The correct Answer is:
A

The given sequence is a combination of three series: I.1 st, 4th, 7th, 10th terms i.e. 8, 7,6, ?
II. 2nd, 5th, 8th, 11th terms i.e. 9, 10,11,12
III. 3rd, 6th, 9th terms i.e. 8,9,10 The pattern in I is -1. So, missing term = 6 - 1 =5
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