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Time, Distance and Speed

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

If a work can be completed by 8 workers in 12 days, how many workers are needed to complete the same work in 8 days?

B. 12 WORKERS
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If a vehicle travels 240 kilometers in 3 hours, what is its average speed?

B. 80 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A person walks 5 km at a speed of 4 km/h and then runs 10 km at a speed of 10 km/h. What is the total time taken for the journey?

B. 3 HOURS
Posted in:  Time, Distance and Speed -  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