A certain number of men do a piece of work in 40 days. If there has been 45 men more, the work could have been finished in 25 days. The original number of men employed at the work were

A. 75
Posted in:  Time & Work -  Aptitude -  Mathematics

In every hour, a cyclist covered 1 km more distance than he was to cover with his original speed on $1×1/4$ hour.
So he covered 96 km distance early by 2 hours.
The original speed of cyclist (km/hr) is 

A. 12

X and Y together complete a work in 8 hours. If X alone can complete it in 12 hours than Y alone can complete it in

A. 24 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics

Value of k foe which (x - 1) is a factor of (x3 - k) is :

B. 1

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph.
For how many minutes does the bus stop per hour ?

C. 10