Question

Find the missing number in the series given below. 10, 15, 30, 55, 90, ?

• A. 135
• B. 105
• C. 155
• D. 120

Answer 1

Answer:

A. 135

10+5=15 15+15= 30 30+25=55 55+35= 90 Similarly, 90+45=135