A car travelling with `5/7` of its actual sped covers 42 km in 1 hr 40 min 48 sec. find the actual speed of the car. `17 6/7k m//h r` b. `25\ k m//h r` c. `30 k m//h r` d. `35 k m//h r`

A car travelling with (5)/(7) of its usual speed covers 42 km in 1 hour 40 min 48 sec. What is the usual speed of the car?

A car covers the first 39 kms of its journey I 45 minutes and covers the remaining 25 km in 3 minutes. What is the average speed of the car? 40 k m//h r b. 48 k m//h r c. 49 k m//h r d. 64 k m//h r e. none of these

A car travels the first one-third of a certain distance with a speed of 10 k m//h r the next one-third distance with a speed of 20 k m//h r and the lat one-third distance with a speed of 60 k m//h r . The average speed of the car for the whole journey is 18 k m//h r b. 24 k m//h r c. 30 k m//h r d. 36 k m//h r

A car travels the first one third of a certain distant with a speed of 10 km/hr, the next one third distant with a speed of 20 km/hr and the last one third distance with a speed of 60 km/hr. The average speed of the car for the whole journey is 18 k m//h r b. 24 k m//h r c. 30 k m//h r d. 36 k m//h r

A motor boat can travel at 10 km/hr in still water. It travelled 91 km downstream in a river a then returned taking altogether 20 hours. Find the rate of flow of the river. 3 k m//h r b. 5k m//h r c. 6 k m//h r d. 8 k m//h r

The speed of a boat in still water is 10 km /hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is : 2 k m//h r b. 3 k m//h r c. 4 k m//h r d. 2. k m//h r

A journey of 192 km between two cities takes 2 hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/hr less than that of the fast train, then the average speed of the fast train is 32 k m//h r b. 48 k m//h r c. 36 k m//h r d. 64 k m//h r

A train 125 m long passes a man, running at 5 kmph in the same direction in which the train is going, in 10 seconds. The speed of the train is: 45 k m//h r b. 50 k m//h r c. 54 k m//h r d. 55 k m//h r

A car covers a distance from Town I to Town II at the speed of 56 km/hr and from Town II to Town I at the speed of 53 km/hr. what is the average speed of the car? 53. 5 k m//h r b. 54 k m//h r c. 55 k m//h r d. 5. 5 k m//h r e. none of these