Q11 A train running between two towns arrives at its destination 10 minutes late when it goes at 60 km per hour and 16 minutes late when it goes at 40 km per hour. Determine the distance between the two towns.

Q12 A man travelled a distance of 61 km in 9 hours partly on foot at the rate of 4 kmph and partly on bicycle at the rate of 9 kmph. Find the distance travelled on foot.

Q13 What will be the distance between Chennai and Goa? I took one hour more, when I travel at 80 kmph than at 90 kmph.

Q14 A cyclist travels a certain distance in 6 hours at a uniform speed. In return, he increases his speed by 2 kmph and covers the same distance in 5 hours. What was his speed initially.

Q15 A man walks at the speed of 5 kmph and runs at the speed of 10 kmph. How much time will the man require to cover the distance of 28 km, if he covers half (first 14 km) his journey walking and half his journey running?

Q16 Two trains start at the same time from A & B and proceed towards B & A at 36 kmph & 42 kmph respectively. When they meet, it is found that one train has moved 48 km more than the other. What is the distance between A and B ?

Q17 Excluding the stoppages, the speed of a bus is 64 kmph and including the stoppages, the speed of the bus is 48 kmph. For how many minutes does the bus stop per hour?

Q18 A train running at 7/11 of its own speed reached a place in 22 hrs. how much time can be saved if train would run at its own speed ?

Q19 A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is:

Q20 Two guns were fired from the same place at an interval of 10 minutes and 30 seconds, but a person in the train approaching the place hears the second shot 10 minutes after the first. The speed of the train (in km/hr), supposing that speed travels at 330 metres per second, is: