- A16
- B18
- C15
- D12
Step-by-Step Solution
In 9 minutes both fill 9/24 + 9/40 = 0.375 + 0.225 = 0.6 of the tank. The remaining 0.4 at 1/40 per minute takes minutes.
Answer: A) 16
Two hoses fill a temple tank in 24 minutes and 40 minutes respectively. Both are started together, and after 9 minutes the faster hose is removed. How many more minutes will the slower hose need to fill the tank?
Competition practiceTime & Work / Pipes
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Time & Work / Pipes practice questions
More Time & Work / Pipes practice
A pipe fills an empty fish pond in 16 hours, but an outlet at its base drains a full…Geeta can finish a job in 24 days and Farhan in 36 days. They start together, but Geeta…Pranav is 50% more efficient than Vikas. Together they complete a project in 18 days.…How many hours will a large school sump take to fill if two taps feed it together, one…A can do a piece of work in 24 days. He works alone for 6 days, then B joins him and…