62. 12 Men or 15 women can do a piece of work in
21 days. Find the number of days required to
complete the same work by 6 men and
10 women.
(1) 15 (2) 18
(3) 21
19/24
Answers
Answered by
2
Answer:
8 men =12 women ⇒ 4 men =6 women
∴ 4 men +4 women =6 women +4 women =10 women
Given, 12 women can do a piece of work in 10 days
⇒ 1 women can do the same work in (12×10) days
⇒ 10 women can do the same work in
10
12×10
days =12 days.
Answered by
3
12 men take 21 days to complete a piece of work. 1 man takes (12 × 21) = 252 days.15 women take 21 days to complete a piece of work. 1 woman takes (15 × 21) = 315 days.In 1 day, 1 man does (1/252) of the work.In 1 day, 1 woman does (1/315) of the work.In 1 day, 6 men and 10 women can do 6(1/252) + 10(1/315) = (1/18) of the work.(1/18) of the work done in 1 day.18(1/18) of the work done in 18 days.
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