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- Question
If a boat goes upstream at a speed of 21 km/h and comes back the same distance at 28 km/h. What is the average speed (in km/hr) for the total journey?
Options- A. 24.5
- B. 24
- C. 25
- D. 25.4
- Correct Answer
- 24
- 1. A bus travels 720 km in 20 hours. Calculate its average speed in meters/second.
Options- A. 12
- B. 15
- C. 18
- D. 10 Discuss
- 2. Excluding stoppages, the speed of a bus is 80 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?
Options- A. 12
- B. 15
- C. 18
- D. 20 Discuss
- 3. Two bikers A and B start and ride at 75 km/hr and 60 km/hr respectively towards each other. They meet after 20 minutes. How far (in km) were they from each other when they started?
Options- A. 60
- B. 45
- C. 30
- D. 15 Discuss
- 4. A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?
Options- A. 200
- B. 10
- C. 20
- D. 100 Discuss
- 5. The distance between the tops of two building 38 metres and 58 metres high is 52 metres. What will be the distance (in metres) between two buildings?
Options- A. 46
- B. 42
- C. 44
- D. 48 Discuss
- 6. Two runners A and B start running at 12 km/hr and 16 km/hr towards each other. They meet after 1 hour and 30 minutes. How far (in km) were they from each other when they started?
Options- A. 42
- B. 36
- C. 40
- D. 45 Discuss
- 7. Flight A usually takes 1 hour more than Flight B to travel a distance of 7200 km. Due to engine trouble speed of flight B falls by a factor of 1/6th, so it takes 36 minutes more than Flight A to complete the same journey? What is the speed of Flight A (in km/hr)?
Options- A. 800
- B. 900
- C. 750
- D. 720 Discuss
- 8. A car travelling at an average speed of 72 km/hr takes 9 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 8 minutes?
Options- A. 8
- B. 9
- C. 7
- D. 6 Discuss
- 9. Two cars A and B travel from one city to another city, at speeds of 60 km/hr and 108 km/hr respectively. If car B takes 2 hours lesser time than car A for the journey, then what is the distance (in km) between the two cities?
Options- A. 240
- B. 270
- C. 300
- D. 330 Discuss
- 10. Two cars travel from city A to city B at a speed of 24 and 32 km/hr respectively. If one car takes 2.5 hours lesser time than the other car for the journey, then the distance between City A and City B is
Options- A. 288 km
- B. 360 km
- C. 240 km
- D. 192 km Discuss
Time and Distance problems
Search Results
Correct Answer: 10
Correct Answer: 15
Correct Answer: 45
Correct Answer: 100
Correct Answer: 48
Correct Answer: 42
Correct Answer: 800
Correct Answer: 9
Correct Answer: 270
Correct Answer: 240 km
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