সব প্রশ্নে ফিরে যান
Math
A tap can fill a tank in 6 hours. After half the tank is filled three more similar taps are opened . What is the total time taken to fill the tank completely?
A) 4 hrs 15 min
B) 3 hrs 45 min
সঠিক উত্তর
C) 3 hrs 24 min
D) 4 hrs 51 min