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Complete the given series 1, 5, 21, 57, ...

Complete the given series 1, 5, 21, 57, ____, 221

A

96

B

108

C

121

D

126

Text Solution

Verified by Experts

The correct Answer is:
C

15 + 6 = 21
21 + 36 = 57
57 + 14 = 121
121 + 100 =221
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