41). A bus covers a distance of 400 km with a speed of 20 km/h. What time is taken by the bus to cover this distance?
| A). 25 h |
| B). 5 h |
| C). 21 h |
| D). 20 h |
|
42). The speed of a bus is 72 km/h. The distance covered by the bus in 5 s is
| A). 50 m |
| B). 74.5 m |
| C). 100 m |
| D). 60 m |
|
43). Two cars are moving in the same direction with their respective speeds of 9 km/h and 5 km/h. Find the relative speed of 1st car with respect of 2nd.
| A). 2 km/h |
| B). 4 km/h |
| C). 8 km/h |
| D). 6 km/h |
|
44). A man covered a distance of 12 km in 90 min by cycle. How much distance will he cover in 3 h, if he rides the cycle at a uniform speed?
| A). 36 km |
| B). 24 km |
| C). 30 km |
| D). 27 km |
|
45). Two men start together to walk a certain distance, one at 4 km/h and another at 3 km/h. The former arrives half an hour before the latter. Find the distance.
| A). 6 km |
| B). 9 km |
| C). 8 km |
| D). 7 km |
|
46). A man completes 30 km of a journey at 6 km/h and the remaining 40 km of the journey in 5 h. Find the average speed for the whole journey.
| A). \( \Large 6 \frac{4}{11} \) km/h |
| B). 7 km/h |
| C). \( \Large 7 \frac{1}{2} \)km/h |
| D). 8 km/h |
|
47). Moving 6/7 of its usual speed a train is 10 min late. Find its usual time to cover the journey.
| A). 25 min |
| B). 15 min |
| C). 35 min |
| D). 60 min |
|
48). Rani covers a certain distance by car driving at 5 km/h and returns the starting point riding on a scooter at 2 km/h. Find her average speed for the whole journey.
| A). 3 km/h |
| B). 2 km/h |
| C). 5 km/h |
| D). 7.7 km/h |
|
49). A car covers a distance from town A to town B at the speed of 58 km/h and covers the distance from town B to town A at the speed of 52 km/h. What is the approximate average speed of the car?
| A). 55 km/h |
| B). 52 km/h |
| C). 48 km/h |
| D). 60 km/h |
|
50). A student walks from his house \( \Large 2 \frac{1}{2} \) % km/h and reaches his school late by 6 min. Next day, he increases his speed by 1 km/h and reaches 6 min before school time. How far is the school from his house?
| A). \( \Large \frac{5}{4} km \) |
| B). \( \Large \frac{7}{4} km \) |
| C). \( \Large \frac{9}{4} km\) |
| D). \( \Large \frac{11}{4} km\) |
|
