Which of the following numbers will replace the question mark (?) in the given series?
17, 20, 60, 64, 256, 261, 1305,?
Explanation:
20 = 17 + 3 60 = 20 × 3 64 = 60 + 4 256 = 64 × 4 261 = 256 + 5 1305 = 261 × 5
⇒ 1305 + 6 = 1311
Hence, option (d).