The average of 20 numbers is 12. The average of the first 12 numbers is 11 and t – OfficerPath

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The average of 20 numbers is 12. The average of the first 12 numbers is 11 and that of the next 7 numbers is 10. The last number is ?

Subject: MathematicsTopic: Average

A

40

B

38

C

48

D

50

Correct Answer: B

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