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प्रश्न
If 70 men dig 15,000 sq. m of a field in 5 days, how many men will dig 22,500 sq. m field in 25 days?
उत्तर
70 men dig 15,000 sq. m of a field in 5 days
1 man can dig 15,000 sq. m of a field in =`(5xx70)/ (15,000)`
Men required to dig 22,500 sq. m. a field in 25 days
`=(5xx70xx22500)/(15,000xx25)=(70xx900)/3000=63/3=21`
Hence required to dig 22,500 sq. m field in 25 days = 21
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