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This question belongs to Arithmetic Ability Average

Average

?

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

A) 52 B) 52.5 C) 53 D) 53.5

Answer & Solution

Correct Answer: Option D

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