A garrison of 1250 men can cater for 80 days when given 400gms per meal. After a few days 250 men left the garrison and now it can cater for 80 days when given 900gms per day. For how many days all 1250 men lived in a garrison? (garrison gives 2 meals per day)
1
6 days
2
8 days
3
10 days
4
12 days