രാമു ഒരു ജോലി 6 ദിവസം കൊണ്ട് ചെയ്യും. രമ അതേ ജോലി ചെയ്യാൻ 8 ദിവസം എടുക്കും. എന്നാൽ രണ്ടുപേരും ഒരുമിച്ച് ജോലി ചെയ്താൽ ജോലി തീർക്കാൻ എത്ര ദിവസം വേണം ?
A4
B4 3/7
C3
D3 3/7
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Related Questions:
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?
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