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Average weight of 19 men is 74 kg, and the average weigth of 38 women is 63 kgs. What is the average weight (rounded off to be nearest integer ) of al

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Average weight of 19 men is 74 kg, and the average weigth of 38 women is 63 kgs. What is the average weight (rounded off to be nearest integer ) of all the men and the women together ?
A. 59 kgs.
B. 65 kgs.
C. 69 kgs
D. 67 kgs.
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Correct Answer - D
Average weight of 19 men =74 kgs
Total weight of 19 men `=74xx19=1406` kgs
Average weight of 38 women=63
Total weight of men and women together `=(2394+1409)/(28+19)=(3800)/(57)=66.66=67` kgs
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