Question 8

Average weight of 19 men is 74 kgs, and the average weight of 38 women is 63 kgs. What is the average weight (rounded off to the nearest integer) of all the men and the women together?

Solution

The average weight of 19 men is 74 kgs

The average weight of 38 women is 63 kgs

The average weight of all the men and women together = $$\ \frac{\ 74\times\ 19+63\times\ 38}{19+38}$$

=$$\ \frac{\ 3800}{57}$$

= 66.66 kg

=approx 67 kg

D is the correct answer.

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