Question

The average of five consecutive even integers is 10. What is the product of the first and the last number?

• A. 84
• B. 69
• C. 96
• D. 72

Answer 1

Answer:

A. 84

average of 5 consecutive numbers is 10. ⇒ Middle number = 10 ⇒ First number = 10 - 2 - 2 = 6 ⇒ Last number = 10 + 2 + 2 = 14 Required Product = 14 × 6 = 84