সব প্রশ্নে ফিরে যান
Math
A 45,000 liter water tank is to filled at the rate 220 liters per minute. Estimates to the nearest half hour, how long it will take to fill the tank?
A) 4 hours
B) 3.5 hours
সঠিক উত্তর
C) 3 hours
D) 2.5 hours