The ratio between the speeds of two trains is 4:5. If the second train runs at 250 km in 5h, then the speed of the first train is:
A). 36 km/h
B). 32 km/h
C). 35 km/h
D). 40 km/h
The average speed of a car is 1(4/5) times the average speed of a bus. A tractor covers in 575 km in 23 h. How much distance will the car cover in 4h if the speed of the bus is twice speed of the trac
A). 340 km
B). 480 km
C). 360 km
D). 450 km
A train starts with a speed of 40 km/h with its speed increasing every hour by 10 km/h. In how many hours will it cover 185 km?
A). 3 (1/8) h
B). 3 (1/4) h
C). 3 (1/2) h
D). 3 (5/6) h
A man perform 1/4 of the total journey by car, 2/3 by bus and the remaining 75 km by train. His total journey is:
A). 900 km
B). 910 km
C). 908 km
D). 912 km
A certain distance is covered at a certain speed. if double the distance is covered in 3/4 of the time, the ratio of the two speeds is:
A). 3:8
B). 3:5
C). 1:4
D). 4:5