The average age of 6men, 8women and 1 young boy is 35 years. What is the age of the boy,if the average age of the men is 40 and that of the women is 34?

The average age of 6men, 8women and 1 young boy is 35 years. What is the age of the boy,if the average age of the men is 40 and that of the women is 34? Correct Answer 13

The total number of persons = 6 + 8 + 1 = 15 The total age of all of them = 15x35 = 525 The total age of 6 men = 6x40 = 240 The total age of 8 women = 8x34 = 272 Therefore, the age of the boy = 525 - (240 + 272) = 13
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