Q. Two pipes can fill a tank in 24 and 36 hours respectively. How long will they take to fill the tank together?
✅ Correct Answer: (B)
14.4 hours
Explanation: 1/24 + 1/36 = 5/72 → time = 72/5 = 14.4 hours.
Explanation by: Kanak Sharma
1/24 + 1/36 = 5/72 → time = 72/5 = 14.4 hours.