32 ആളുകൾക്ക് ഒരു ജോലി പൂർത്തിയാക്കുവാൻ 15 ദിവസം വേണമെങ്കിൽ 10 ദിവസം കൊണ്ട്
ആ ജോലി പൂർത്തീകരിക്കുവാൻ എത്ര ആളുകൾ വേണം ?
A48
B42
C25
D47
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