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

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

A84

B69

C96

D72

Answer:

A. 84

Read Explanation:

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

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