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Time, Distance and Speed

A car travels 150 km in 3 hours. What is its average speed?

B. 60 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A and B can complete a work in 20 days and 30 days respectively. If they work together for 10 days, how much of the work is left?

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

A and B can do a piece of work in 12 days and 15 days respectively. How long will they take to complete the work if A works alone for 4 days and then B joins him?

B. 10 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A can do a piece of work in 12 days, B can do it in 15 days. If they work together for 4 days, how much of the work is left?

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

A car travels 150 km in 3 hours. What is its average speed?

B. 60 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics