A man, a woman, a boy, and a girl can complete a certain task individually in 84 days, 105 days, 140

Question

Accepted Answer

LetthetotalworkLCMof84105140and210420unitsbrEfficiencyofaman420845unitsdaybrEfficiencyofawoman4201054unitsdaybrEfficiencyofaboy4201403unitsdaybrEfficiencyofagirl4202102unitsdaybrSotimetakenbyamanawomanaboyandagirlworkingtogether420543230days

Question

A man, a woman, a boy, and a girl can complete a certain

Solution

Relevant for Exams:

Question

A man, a woman, a boy, and a girl can complete a certain

Solution

Relevant for Exams:

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