An empty swimming pool with a capacity of 5760 gallons is filled at the rate of 12 gallons per minute, how many hours would it take to fill the pool to the capacity?
সমাধান
সঠিক উত্তর: Option A
Filled 12 gallons in 1 min
So, " 5760 " " 5760/12 min
5760/(12×60) hours = 8 hours (Ans.)