Correct option is A
The pattern of the series:

Find out the wrong number.
34, 15, 15, 22.5, 45, 112.5, 337.5
The pattern of the series:

Find out the wrong number.
34, 15, 15, 22.5, 45, 112.5, 337.5
Find out the wrong number.
6, 12, 28, 59, 120, 241
Find out the wrong number.
2, 20, 132, 665, 2664, 7995, 15992
Suggested Test Series
Suggested Test Series
Find out the wrong number.
34, 15, 15, 22.5, 45, 112.5, 337.5
Find out the wrong number.
6, 12, 28, 59, 120, 241
Find out the wrong number.
2, 20, 132, 665, 2664, 7995, 15992