Two pipes A and B can fill a tank in 6 hours and 8 hours respectivley. If both the pipes are opened together, then after how many hours should B be closed so that the tank is full in 4 hours ?
A3
B8
C8/3
D2/3
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Pipe 'A' can fill a tank in 15 hrs while a pipe 'B' can fill the tank in 20 hours and another pipe 'C' can empty the full tank in 30 hours. If all are opened together how long it will take to fill the tank.
അജയൻ ഒരു ജോലി 2 മണിക്കുറും അരുൺ 6 മണിക്കൂറും ചെയ്തു. രണ്ട് പേർക്കും കൂടി ലഭിച്ച കൂലി 800 രൂപയാണ്. ഈ തുക എങ്ങനെയാണ് വീതിക്കേണ്ടത് ?
A certain number of men complete a piece of work in 60 days. If there were 8 men more, the work could be finished in 10 days less. How many men were originally there?
There are 3 taps, A, B and C, in a tank. These can fill the tank in 10 h, 20 h and 25 h, respectively. At first, all three taps are opened simultaneously. After 2 h, tap C is closed and tap A and B keep running. After 4 h, tap B is also closed. The remaining tank is filled by tap A alone. Find the percentage of work done by tap A itself.
ഒരു ക്ളോക്കിൽ 12 അടിക്കാൻ 22 സെക്കന്റ് സമയമെടുക്കും.6 അടിക്കാൻ എത്ര സെക്കന്റ് സമയം വേണം ?