Question

a garrison of 200 men had a provision
for 45 days. after 15 days , 40 more men joins the garrison . find the number of days for which the remaining food will last

Answer 1

For 200 men provision last for 45 days
After 15 days,
For 200 men provision last for(45-15) =30 days
For 1 man provision last for 200× 30 days
Given, 40 more men joined
Total number of men =200+40=240 men
And for 240 men provision last for
200×30/240=25 days