1.  Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 10, 18, 28, 40, 54, 70, ?

A. 85
B. 86
C. 87
D. 88

Answer: Option D

Explanation:

The pattern is +8, +10, +12, +14......... so, missing term = 70 +18 = 88