A can do a piece of work in 12 days, B can do the same work in 15 days. If they work together for 3 days, how much of the work is left?

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

A cyclist covers a distance of 120 kilometers in 4 hours. If he increases his speed by 10 km/h, how long will it take him to cover the same distance?

B. 3 HOURS

A cyclist covers a distance of 120 km at a speed of 15 km/h. How long does the journey take?

A. 6 HOURS

If 3 men can complete a work in 12 days, how many days will it take for 6 men to complete the same work?

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

A and B can complete a work in 15 days and 20 days respectively. If they work together for 5 days, how much work is left?

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