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If 7 men and 4 boys can earn Rs. 10275 in 15 days and 8 men and 11 boys can earn Rs. 7280 in 7 days, in what time can 5 men and 9 boys earn Rs. 8820 ?
- A10 days
- B12 days
- C13 days
- D16 days
Correct answer: B
Discussion 1
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0
CCommunity
12 days
Let the daily earning of man be x and that of boy be y.
∴ 7x + 4y = 10275/15 = 685
7x + 4y = 685
Let the daily earning of man be x and that of boy be y.
∴ 7x + 4y = 10275/15 = 685
7x + 4y = 685