1.  Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 9, 27, 31, 155, 161, 1127, ?

A. 316
B. 1135
C. 1288
D. 2254

Answer: Option B

Explanation:

The pattern is × 3, + 4, × 5, + 6, × 7, ......... So, missing term = 1127 + 8 = 1135.