If the average of 5 numbers is 60 and the average of first two is 55, average of last two is 65, then the middle number is MCQ with Answer and Explanation

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If the average of 5 numbers is 60 and the average of first two is 55, average of last two is 65, then the middle number is

A. 65

B. 70

C. 60

D. 55

Answer: Option C

Solution (By JKExamLibrary)

Sum5=300. Sum first2=110. Sum last2=130. Middle=300-240=60.

This question belongs to: Maths Average

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