SSC CGL 12 Aug 2017 Shift 1 Paper

Question : 52 of 100

Marks: +1, -0

A

and

B

can together do a piece of work in 10 days. If

A

works with twice of his efficiency and

B

works with an efficiency

1 / 3 {\rd}

less than his efficiency then the work gets completed in 6 days. In how many days can

A

and

B

do the work alone, respectively?

Solution:

1 day's work of

A

and

B

1/A+1/B=1/10

......(i)
Again,

{2}/{A}+\ {2}/{3 B}=\ {1}/{6}

.....(ii)
On solving Eqs. (i) and (ii),

A= {40}/{3}, B=40

Go to Question:

Prev Question

Next Question