Question

Which number will replace the question mark (?) in the following series? 25, 36, 51, 70, 93, 120, ?

• A. 141
• B. 151
• C. 163
• D. 159

Answer 1

Answer:

B. 151

25+11=36 36+15=51 51+19=70 70+23=93 93+27=120 120+31=151