0 vote
A garrison of 500 men had provisions for 27 days. After 3 days, a reinforcement of 300 men arrived. The remaining food will now last for how many days?
A garrison of 500 men had provisions for 27 days. After 3 days, a reinforcement of 300 men arrived. The remaining food will now last for how many days?
1). 15
2). 16
3). \(17\frac{1}{2}\)
4). 18
1 answers
3 vote
Total provision (in men days) = 500 × 27 = 13500
After 3 days, provision left (in men days) = 13500 – 3 × 500 = 13500 – 1500 = 12000
Now, total new number of men = 500 + 300 = 800
Hence provision will last for = 12000/800 = 15 days