40 students in a class donated ₹ 40 each to a relief fund. 50 students from another class donated ₹ 60 each.

Considering the contribution of both classes together, what was the average amount that each child donated?

₹ 50

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₹ 51.11

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₹ 53.33

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₹ 49.66

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Solution

The correct option is B
₹ 51.11

Total money donated by the 1st class = 40 $\times$ 40 = ₹ 1600

Total money donated by the 2nd class = 50 $\times$ 60 = ₹ 3000

Total money donated by 90 students = ₹ 1600 + ₹ 3000 = ₹ 4600

Average amount donated by each child = $\frac{4600}{90}$ = ₹ 51.11

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40 students in a class donated ₹ 40 each to a relief fund. 50 students from another class donated ₹ 60 each. Considering the contribution of both classes together, what was the average amount that each child donated?

The correct option is B ₹ 51.11 Total money donated by the 1st class = 40 × 40 = ₹ 1600 Total money donated by the 2nd class = 50 × 60 = ₹ 3000 Total money donated by 90 students = ₹ 1600 + ₹ 3000 = ₹ 4600 Average amount donated by each child = 460090 = ₹ 51.11

40 students in a class donated ₹ 40 each to a relief fund. 50 students from another class donated ₹ 60 each.

Considering the contribution of both classes together, what was the average amount that each child donated?