A pipe can fill a tank in 9 hours. Another pipe can empty the filled tank in 12 hours. If both the pipes are opened simultaneously, then the time (in hours) in which the tank will be two-third filled, is:
A24
B96
C48
D72
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A and B can do a work together in 18 days. A is three times as efficient as B. In how many days can B alone complete the work?
20 ദിവസം കൊണ്ട് 15 പേർ കുളം കുഴിക്കുന്ന ജോലി ഏറ്റെടുത്തു. 10 ദിവസത്തിന് ശേഷം 5 പേർ വിട്ടുപോയി. വീണ്ടും 5 ദിവസത്തിന് ശേഷം 5 പേർ കൂടി പോയി. ജോലി പൂർത്തിയാക്കാൻ എത്ര ദിവസം വേണ്ടിവരും?
Jitesh and Kamal can complete a certain piece of work in 7 and 16 days, respectively,
They started to work together, and after 2 days, Kamal left. In how many days will Jitesh
complete the remaining work?
There are two pipes leading to a tank. If pipe X alone is opened, the tank will be filled in 20 minutes. If pipe Y alone is opened, the tank will be filled in 25 minutes. Both pipes were opened together. After some time, pipe Y was closed. If it takes 15 minutes to fill the tank completely, then for how long is the pipe X left open
In what ratio must oil worth Rs. 80/kg is mixed with oil worth Rs. 85/kg and selling the mixture at Rs. 98.25/kg, there can be a profit of 20% ?