Q. A tank can be filled by pipe A in 24 hours and pipe B in 32 hours. Both pipes are opened alternately for 1 hour each, starting with A. In how many hours will the tank be filled?
✅ Correct Answer: (B)
14 hours
Explanation: Work in 2 hours = 1/24+1/32 = 7/96. Remaining work calculated gives total ≈ 14 hours.
Explanation by: Hriday
Work in 2 hours = 1/24+1/32 = 7/96. Remaining work calculated gives total ≈ 14 hours.