Question : 12 workers can earn Rs. 2400 in 10 days. Find the earnings of 6 workers in 6 days.
Option 1: Rs. 630
Option 2: Rs. 720
Option 3: Rs. 510
Option 4: Rs. 840
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Correct Answer: Rs. 720
Solution :
Given: 12 workers can earn Rs. 2400 in 10 days.
Total work = 12 × 10 = 120 units
Per unit work earning = $\frac{2400}{120}=20$
Total work of 6 workers in 6 days = 6 × 6 = 36 units
Total earning = 36 × 20 = Rs. 720
Hence, the correct answer is Rs. 720.
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