A company contracts to paint 3 houses. Mr.Brown can paint a
house in 6 days while Mr.Black would take 8 days and Mr.Blue
12 days. After 8 days Mr.Brown goes on vacation and Mr.
Black begins to work for a period of 6 days. How many days
will it take Mr.Blue to complete the contract?
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Answer / v vinay
let x is amount of work to be done to paint one house.
So Brown's one day work is x/6, black's can do x/8 work in
one day and blue is x/12.
Total houses is 3, so tatal work to be done is 3x.
3x= 8*(x/6) + 6*(x/8) + y*(x/12)
finally y = 11.
blue will complete the remaining work in 11 days.
| Is This Answer Correct ? | 47 Yes | 4 No |
Answer / shalini
no o f days Mr.blue will take to complete the left over work
is = 11 days
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / s.a
11 days.Look at the rates at which each man paints a house.Mr Brown = 1/6 house per dayMr Black = 1/8 house per dayMr Blue = 1/12 house per dayMr Brown paints for 8 days -> he paints 8/6 houses = 4/3 housesMr Black paints for 6 days -> he paints 6/8 houses = 3/4 housesThere are 3 houses total, therefore there is 3 - 4/3 - 3/4 = 11/12 houses to paint.Mr Blue paints 1/12 house per day, therefore it takes him 11 days to finish the painting
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / simion milton
answer is 6 days because
brown can take 6 days
black can take 8 days
blue can take 12 days
but
brown goes to vacation for 8 days
black and blue has started work for 6 days
black is 8 but he has painted 6 days
blue is also started work for 6 days so blue will take
complete in 12 days
so 12-6=6
ANS:6 days
| Is This Answer Correct ? | 1 Yes | 12 No |
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