1.

The average of 24 numbers is 56. The average of the first 10 numbers is 71.7 and that of the next 11 number is 42. Then next three numbers (i.e 22nd, 23rd, and 24th) are in the ratio 1/2 : 1/3 : 5/12 What is the average of the 22nd and 24th numbers?

A. 55
B. 58
C. 49.5
D. 60.5
Answer» E.


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