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Select the number from among the given options that can replace the question mark (?) in the following series. 7, 4, 1, 8, 5, 2, 9, ?
Question

Select the number from among the given options that can replace the question mark (?) in the following series.
7, 4, 1, 8, 5, 2, 9, ?

A.

6

B.

9

C.

3

D.

7

Correct option is A

Given: 7, 4, 1, 8, 5, 2, 9, ?
The series alternates between two sequences:
Odd numbers in descending order: 7,5,3,1
Even numbers in ascending order: 4,8,2,?
From the odd number sequence, the next term after 9 would be 6.
Answer: (a) 6.

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