A fort had provisions of food for 150 men for 45 days. After 10 days, 25 men left the fort. How many days will the remaining food last?
Q1. A fort had provisions of food for 150 men for 45 days. After 10 days, 25 men left the fort. How many days will the remaining food last?
Answer: 42 days
Explanation: Provisions remaining after 10 days = 150 × (45−10) = 5250 man-days. With 125 men left: 5250/125 = 42 days.