Latest 3i-Infotech Aptitude Question SOLUTION: 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. Bl

• Placement Papers
• /
• 3i-Infotech
• /
• Numerical Ability
• /
• Time and Work

3i-Infotech Question Papers: 3I-INFOTECH Company Profile

(#M40001971) 3I-INFOTECH Numerical Ability question placement question Keep an EYE

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?

A. 7 B. 8 C. 11 D. 12

Asked In 3i-Infotech sawan kumar (12 years ago)

Solved nutan garla Read Solution (3)

Is this Puzzle helpful?   (18)   (9) Submit Your Solution Time and Work

Read Solution (3) :

jaya mishra  (11 years ago)

8/6+6/8+x/12=3
32+18+2x=72
2x=22
x=11

Is this solution Helpfull? Yes (14) | No (2)  

nutan garla  (12 years ago)

option c is correct..
brown work for 8 days means he completed house 1st +(2/6) part of the house 2nd...in 8 days...
remaining part of house 2nd = 1-(1/3)= 2/3.
now black completes a house in 8 days but he works for 6 days ..so part of house completed by black = 6/8 =3/4..
now part of house 3rd completed by black = (3/4)-(2/3) = 1/12..
so means remaining part of house 3rd to be painted by blue = 11/12
which he will complete in 11 days....

Is this solution Helpfull? Yes (12) | No (2)  

sunil singh  (11 years ago)

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 solution Helpfull? Yes (7) | No (1)  

Please Login to Read Solution.