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Question 156
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
Required average weight
= $$\frac{(19 \times 74) + (38 \times 63)}{19 + 38}$$
= $$\frac{74 + 2 \times 63}{1 + 2}$$
= $$\frac{200}{3} = 66.67 \approx 67$$ kg
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