Question

Look carefully for the pattern, and then choose which pair of numbers comes next:

10 20 25 35 40 50 55

• A. 70 65
• B. 60 70
• C. 60 75
• D. 60 65
• E. 65 70

Answer 1

The correct option is E 65 70

This is an alternating addition series, in which 10 is added, then 5, then 10, and so on.