Quantitative Aptitude on Times and Distance

Q21. A car completes a certain journey in 8 hours. It coveres half of the distance at 30 km/hr and the rest at 50 km/hr. The length of the journey is
(a) 250 km
(b) 265 km
(c) 280 km
(d) 300 km

Q22. A man walking at 3 km/hr crosses a square field diagonally in 4 minutes. The area of the field is
(a) 15000 m2
(b) 17000 m2
(c) 20000 m2
(d) 25000 m2

Q23. Convert 60 km/hr into m/sec
(a) 15½ m/sec
(b) 162/3 m/sec
(c) 16¼ m/sec
(d) 17¾ m/sec

Q24. Convert 20 m/sec into km/hr
(a) 55 km/hr
(b) 59 km/hr
(c) 63 km/hr
(d) 72 km/hr

Q25. A man walks from his house to the railway station. If he walks at 6 km/h, he misses a train by 6 minutes. However, if he walks at 7 km/h, he reaches the station 4 minutes before the diparture of the train. Find the distance covered by him to reach the station.
(a) 7 km
(b) 9 km
(c) 10 km
(d) 12 km

Q26. A man covers a certain distance by walk at 6 km/hr and returns back to the starting point riding on scooter at 50 km/hr. Find his average speed of the whole journey.
(a) 32.48 km/h
(b) 49.12 km/h
(c) 54.54 km/h
(d) 59.65 km/h

Q27. A goods train leaves a station at a certain time and at a fixed speed. After 6 hours, an express train leaves the same station and moves in the same direction at a uniform speed of 90 km/h. This train catches up the goods train in 4 hours. Find the speed of the goods train.
(a) 29 km/h
(b) 32 km/h
(c) 36 km/h
(d) 41 km/h

Q28. The ratio between the speeds of two trains is 4:6. If the first train runs 280 km in 4 hours, the speed of the second train is
(a) 85 km/h
(b) 89 km/h
(c) 98 km/h
(d) 105 km/h

Q29. Excluding stoppages, the speed of a bus is 50 km/h and including stoppages, it is 40 km/h. For how many minutes does the bus stop per hour ?
(a) 12 min
(b) 16 min
(c) 18 min
(d) 21 min

Q30. X and Y are two stations 600 km apart. A train starts from X and moves towards Y at a speed 30 km/h. Another train starts from Y at the same time and moves towards X at 40 km/h. How far from X will they cross each other ?
(a) 257.11 km
(b) 266.22 km
(c) 312.35 km
(d) 323.39 km

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