Out of four numbers the average of the first three is 16 and that of the last th – OfficerPath

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MCQ Practice

Out of four numbers the average of the first three is 16 and that of the last three is 15. If the last number is 20, than first number is :

Subject: MathematicsTopic: Average

A

25

B

21

C

23

D

28

Correct Answer: C

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