App Logo

No.1 PSC Learning App

1M+ Downloads
Two pipes, A and B, can fill the tank in 60 hours and 90 hours, respectively. If both the pipes are opened simultaneously, in how many hours will 75% of the tank be filled?

A36

B33

C30

D27

Answer:

D. 27

Read Explanation:

image.png

Related Questions:

6 മിനിട്ടുകൊണ്ട് ഒരു ടാങ്കിന്റെ 3/5 ഭാഗം നിറഞ്ഞു. ഇനി നിറയാൻ എത്ര മിനിട്ടു വേണം ?
Two pipes X and Y can fill a cistern in 21 hours and 24 hours, respectively. The pipes are opened simultaneously and it is found that due to a leakage in the bottom it takes 48 minutes more to fill the cistern. When the cistern is full, in how much time will the leak empty it if no pipe is open during that time?
Kiran can do a certain piece of work in 15 days. Kiran and Garima can together do the same work in 10 days, and Kiran, Garima and Mehak can do the same work together in 9 days. In how many days can Kiran and Mehak do the same work?
C alone can complete a work in 20 days and D alone can complete the same work in 30 days. In how many days C and D together can complete the same work?
8 men can complete a piece of work in 8 days while 8 women can do it in 12 days. In how many days can 2 women and 4 men complete it?