Which of the following numbers will replace the question mark (?) in the given series?
8, 9, 20, 63, 256, ?
A1286
B1284
C1285
D1280
A1286
B1284
C1285
D1280
Related Questions:
Find the wrongly placed number in the series:
1,3,10,21,64,129,389,777
AB, DE, HI, MN, _______