Five men take as much time to do a job as 10 women take. If 6 men take 10 days to complete a job working 4 hrs per day, how much time would 10 women take to do a job twice as much as the former the same working 6 hrs a day?

Foundation

Mathematics Foundation

Time Speed Distance

Question

12 days

18 days

14 days

16 days

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In this case w₂ = 2w₁

$\frac{6 men \times 4 \times 10}{w_{1}} = \frac{10 women \times 6 \times T_{2}}{w_{2}}$

$\frac{6 men \times 4 \times 10}{w_{1}} = \frac{5 men \times 6 \times T_{2}}{2 w_{1}}$

⇒ T₂ = 16 days

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