If 3 men or 4 women take 30 days to do a certain work, then how long will 9 men or 8 women take to complete the same work?
Answers
Answer:
12 days
Step-by-step explanation:
D) 12 days
Description for Correct answer:
ATQ,
3m×43=4w×433m×43=4w×43
mw=4→efficiencyofman3→efficiencyofwomanmw=4→efficiencyofman3→efficiencyofwoman
Total work=3×4×433×4×43 units
One day work of(7m+5w)(7m+5w)
=7×4+5×3=437×4+5×3=43 units
Total time taken by (7m+5w)(7m+5w)
=3×4×4343=123×4×4343=12 days
Part of solved Time and work questions and answers : >> Aptitude >> Time and work
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