The average age of a family of 5 members is 30 years. The youngest member is 5 years old. What is the average age of the remaining 4 members? MCQ with Answer and Explanation

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The average age of a family of 5 members is 30 years. The youngest member is 5 years old. What is the average age of the remaining 4 members?

A. 34

B. 36.25

C. 37.5

D. 35

Answer: Option B

Solution (By JKExamLibrary)

Sum of ages = 5×30=150. Sum of remaining 4 =150-5=145. Average =145/4=36.25.

This question belongs to: Maths Average

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