8 പേർ 6 ദിവസം കൊണ്ട് ചെയ്തു തീർക്കുന്ന ഒരു ജോലി 3 പേർ എത്ര ദിവസം കൊണ്ട് ചെയ്തു തീർക്കും?
A12
B16
C18
D20
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