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 ?
- 59 kg
- 65 kg
- 69 kg
- 67 kg
The Correct Option is D
Solution and Explanation
- The average weight of 19 men = 74 kg
- The average weight of 38 women = 63 kg
- Total weight of men = Average weight of men × Number of men = 74 kg × 19 = 1406 kg
- Total weight of women = Average weight of women × Number of women = 63 kg × 38 = 2394 kg
- Total weight of all = Total weight of men + Total weight of women = 1406 kg + 2394 kg = 3800 kg
- Total number of individuals = Number of men + Number of women = 19 + 38 = 57
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