200 men have sufficient food for 45 days.after 15 days 40 men join, for how long will the food last?
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For 200 men food last for 45 days
After 15 days,
For 200 men the food last for (45-15) =30days
For 1 soldier the food last for 200×30days
Given, 40 more men joined
Then, total number of men =200+40=240men
And, for 240men food last for 200×30/240
= 25days
After 15 days,
For 200 men the food last for (45-15) =30days
For 1 soldier the food last for 200×30days
Given, 40 more men joined
Then, total number of men =200+40=240men
And, for 240men food last for 200×30/240
= 25days
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