3 men and 4 days can do a piece of work in 15 days while 4 men and 3 boys can do the same work in 10 days. In how many days can 2 men and 1 boy do the work?

Options
- 12 days
- 14 days
- 18 days
- None

CORRECT ANSWER : None

Discussion Board
People and work

21 days

Kedar Hembrom 07-17-2023 01:45 AM

wrong step

45m-40m=60b-30b wrong step
correct is 45m-40m=30b-60b

ram 12-18-2021 10:29 PM

solution

(3m+4b)*15=(4m+3b)*10
45m+60b=40m+30b
45m-40m=60b-30b
5m=30b
m=6b
put it in equation 1 or 2 then get answer

sajida 01-30-2020 05:18 AM

work and time problems

men=x
boy=y
3x+4y=15
4x+3y=10
we have to fine 2x+y=???
find x&y
and substitute it in 2x+y we will get 2.8 days

dinesh battu 10-10-2018 06:02 AM

solution

i want explanation sir

pommi 10-1-2018 02:21 AM

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