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प्रश्न
A fort had provisions for 450 soldiers for 40 days. After 10 days, 90 more soldiers come to the fort. Find in how many days will the remaining provisions last at the same rate?
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उत्तर
After 10 days :
For 450 soldiers, provision is sufficient for (40 – 10) days = 30 days
For 1 soldier, provision is sufficient for 30 × 450 days
For 540 soldiers, the provision is sufficient for
`=(30xx450)/540=(30xx50)/60=50/2` = 25 days
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