Home  / Mathematics  / Aptitude
Time & Work
Time, Distance and Speed

If x men can do a piece of work in 8 days and (x+4) men can do the same work in 6 days, then x is equal to

C. 12
Posted in:  Time & Work -  Aptitude -  Mathematics

A man, a woman or a boy can do a piece of work in 3, 4 and 12 days respectively. How many boys must assist one man and one woman to do the work in one days ?

A. 5
Posted in:  Time & Work -  Aptitude -  Mathematics

A, B and C can do a piece of work in 15, 20 and 30 days. They undertake to complete the work for Rs. 810. How much share of A exceeds that of B ?

A. RS. 90
Posted in:  Time & Work -  Aptitude -  Mathematics

A motor car starts with the speed of 70 km/hr with its speed increasing every two hours by 10 kmph. In how many hours will it cover 345 kms?

A. 4 (1/2) HOURS
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

 A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for the both the trips? 

B. 48 KMPH
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics