TIME , SPEED AND DISTANCE MCQ SET 5
1. A man travels for 4 hours at a speed of 75 km/h , for next 6 hours at a speed of 65.5 km/h and for next 2 hours at a speed of 54 km/h . What is his average speed (in km/h) for the entire journey?
(a) 64 3/4ย
(b) 64 2/3
(c) 66 3/4
(d) 65 1/3
Answer: C
2. A person covers 1/4 of his journey at the speed of 25 km/h , 1/2 of the journey at 40km/h and the remaining at the speed of 50 km/h . Find his average speed per hour for the whole journey (in km/h) .
(a) 36 4/11
(b) 34 6/11
(c) 36 6/11
(d) 34 4/11
Answer: A
3. Vikas covered a certain distance by bike . If he covers 40% of the distance at 40 km/h , 50% of the distance at 25km/h and the remaining 10% distance at 10km/h . Find his average speed over the whole distance .
(a) 25 km/h
(b) 28 km/h
(c) 26 km/h
(d) 30 km/h
Answer: A
4. In a journey of three unequal laps , a car covers a distance of 200 km in 4 h in the first lap . while another 162 km at the speed of 15 m/s in the second lap . it covers the remaining distance of the final lap in 4 h such that the average speed of the car for entire journey was 50 km/h . What was the speed of the car in the third lap of the journey?
(a) 47 km/h
(b) 52 km/h
(c) 42 km/h
(d) 45 km/h
Answer: A
5. Sudhir cycled at 8.5 km/h for 4 hours , then took an auto and travelled at 20 km/h for 1.5 hours , and then walked at 4 km/h for y hours . If Sudhin’s overall average speed for the entire journey was 10 km/h , what is the value of y?
(a) 2
(b) 1.25
(c) 1.5
(d) 1.75
Answer: C
6. The ratio of the distance between two places A and B to the distance between places B and C is 3 : 5 . A man travels from A to B at a speed of x km/h and from B to C at a speed of 50 km/h . If his average speed for the entire journey is 40 km/h then what is the value of (x – 10) : (x + 1) ?
(a) 20 : 31
(b) 31 : 20
(c) 11 : 10
(d) 10 : 11
Answer: A
7. Excluding stoppages , the speed of a bus is 152 km/hr , and including stoppages , it is 114 km/hr . For how many minutes does the bus stop per hour ?
(a) 10 minutes
(b) 15 minutes
(c) 14 minutes
(d) 9 minutes
ย Answer: B
8. The speed of a bus without stoppages is 40 km/h and with stoppages is 32 km/h . How many minutes per hour does the bus stop ?
(a) 18
(b) 15
(c) 12
(d) 16
Answer: C
9. Speed of a car without stoppage is 48 km/h and that of with stoppage is 36 km/h . If car stops each time for 5 minutes then find the number of stoppage in 1 hr 20 min .
(a) 3 times
(b) 4 times
(c) 5 times
(d) 6 times
Answer: B
10. Speed of a train without stoppage is 80 km/hr and that at with stoppage is 70 km/hr . If stoppage time is 3 min then find the number of stoppage in 2 hrs .
(a) 5 times
(b) 6 times
(c) 8 times
(d)4 times
Answer: A
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