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The average of 22 numbers is 52. The ave...

The average of 22 numbers is 52. The average of the first 8 numbers is 48 and the average of next 11 numbers is 54. The 20th number is 7 less than the 21st number and 21st number is 4 more than 22nd number. What is the average of the 20th and 22nd numbers?

A

52

B

52.5

C

53

D

53.5

Text Solution

Verified by Experts

The correct Answer is:
D
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