alleryമൂന്ന് പെയിന്റർമാർ 12, 15, 20 ദിവസങ്ങൾ മാത്രം എടുക്കുന്നു. മൂന്ന് പേരും ഒരുമിച്ച് പ്രവർത്തിച്ചാൽ, ജോലിക്ക് എത്ര സമയമെടുക്കും?
A3 ദിവസങ്ങൾ
B4 ദിവസങ്ങൾ
C5 ദിവസങ്ങൾ
D6 ദിവസങ്ങൾ
Answer & Solution
Correct answer: C. 5 ദിവസങ്ങൾ
ദിവസേനയുള്ള ജോലി (5 + 4 + 3)/60 = 12/60 = 1/5 ആണ്, അതിനാൽ 5 ദിവസങ്ങൾ.
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