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Questions and Answers
Dipesh takes 50 sec to cross a rectangular field diagonally, walking at a rate of 90 m/min. Kalpana crosses the same field in 45 sec, walking along its sides at a rate of 124 m/min. What is the area of the field (in square meters)?
Dipesh takes 50 sec to cross a rectangular field diagonally, walking at a rate of 90 m/min. Kalpana crosses the same field in 45 sec, walking along its sides at a rate of 124 m/min. What is the area of the field (in square meters)?
- 1512
- 1584 (correct)
- 1560
- 1350
If the first train covers 350 km in 5 hours, then the difference between the speed (in km/h) of both the trains is:
If the first train covers 350 km in 5 hours, then the difference between the speed (in km/h) of both the trains is:
- 350
- 105
- 180
- 165 (correct)
The speed of a train is 26 times the speed of a car. The car can cover a distance of 486 km in 9 hours. Find out the distance that the train can cover in 6 hours.
The speed of a train is 26 times the speed of a car. The car can cover a distance of 486 km in 9 hours. Find out the distance that the train can cover in 6 hours.
- 702 km
- 612 km
- 712 km (correct)
- 732 km
A person covers 5/18 of the total journey by train, 7/20 by bus, 26â…“% of total journey by car and remaining?
A person covers 5/18 of the total journey by train, 7/20 by bus, 26â…“% of total journey by car and remaining?
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Study Notes
Distance and Speed
- A train needs to cover 900 km in 25 hours, requiring an average speed of ?
Speed and Time
- A part of a journey is covered in 31.5 minutes at 80 km/h, and the remaining part in 16 minutes at 75 km/h, with a total distance of ?
Average Speed
- Ranjeet drives his car at an average speed of 50 km/hr, reaching his destination in 8 hours.
- Rehman covers the same distance in 5 hours.
- If Ranjeet increases his speed by 10 km/hr and Rehman increases his speed by 20 km/hr, the difference between the times taken by them to reach the destination is ?
Mode of Transportation
- A person travels the entire journey, with 5/18 by train, 7/20 by bus, 26% by car, and the remaining 1330 meters on foot.
- The total distance of the journey is ?
Train Speeds
- The ratio of the speeds of two trains is 2 : 5.
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