20 പേർ ഒരു ജോലി 5 ദിവസം കൊണ്ട് തീർക്കുന്നു. ആ ജോലി ഒരു ദിവസം കൊണ്ട് തീർക്കാൻ എത്രപേർ വേണം?
A100
B4
C25
D20
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