Question

What will come in place of the question mark (?) in each of the following series?

5, 7.25, 13.5, 25.75, 46, ?

• A. 70.25
• B. 71.25
• C. 73.25
• D. 75.25
• E. 76.25

Answer 1

The correct option is E 76.25

The pattern followed here is $+(1.5{)}^2,+(2.5{)}^2,+(3.5{)}^2,+(4.5{)}^2,+(5.5{)}^2,\cdots$