Convert the 13/36 m/s into kilometers per hour?
A). 1.5
B). 1.2
C). 1.3
D). 1.4
Two trains of length 120 m and 280 m are running towards each other on parallel lines at 42 kmph and 30 kmph respectively. In what time will they be clear of each other from the moment they meet?
A). 14 sec
B). 21 sec
C). 17 sec
D). 20 sec
Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a man in the slower train in 27 seconds. Find the length of the faster train?
A). 270 m
B). 250 m
C). 280 m
D). 220 m
Two trains of length 100 m and 200 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 54 kmph and 72 kmph. In how much time will the trains cross each other?
A). 57/7 sec
B). 80/7 sec
C). 20/7 sec
D). 60/7 sec
A man goes from A to B at a speed of 20 kmph and comes back to A at a speed of 30 kmph. Find his average speed for the entire journey?
A). 20 kmph
B). 24 kmph
C). 50 kmph
D). 35 kmph