1.

The average age of 8 men, 7 women and 1 boy is 45 years, If the average age of 8 men is 48 years and that of 7 women is 46 years, then the age of the boy is

A. 14 years
B. 15 years
C. 16 years
D. 18 years
Answer» B. 15 years


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