If you divide 144 by 12, what is the quotient?

B. 12
Posted in:  Numbers -  Arithmetic -  Mathematics

A and B can do a piece of 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

If a train travels at a speed of 80 km/h, how far will it travel in 2.5 hours?

C. 250 KM

A can do a work in 10 days, B can do it in 15 days, and C can do it in 20 days. If they work together for 2 days, how much work is left?

B. 1/4
Posted in:  Time & Work -  Aptitude -  Mathematics

If a person walks at a speed of 4 km/h, how long will it take to walk 12 km?

B. 3 HOURS