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Time & Work
Time, Distance and Speed

A, B and C can do a piece of work in 15, 20 and 30 days. They undertake to complete the work for Rs. 810. How much share of A exceeds that of B ?

A. RS. 90
Posted in:  Time & Work -  Aptitude -  Mathematics

If A can do a piece of work in 15 days and B can do it in 10 days, how long will it take for both A and B to complete the work together?

B. 7.5 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

C can finish a work in 20 days, while D can finish it in 30 days. If they work together for 10 days, how much of the work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

A can complete a work in 10 days, while B can complete the same work in 15 days. How many days will they take to complete the work together?

A. 6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A can complete a work in 12 days, while B can complete the same work in 18 days. How many days will they take to complete the work together?

B. 8 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics