Quiz Discussion

A car traveling with \(\frac{5}{7}\) of its actual speed covers 42 km in 1 hour 40 minute 48 seconds. Find the actual speed of the car.

Course Name: Quantitative Aptitude

  • 1]

    \(17\frac{6}{7}\) km/hr

  • 2]

    25 km/hr

  • 3]

    30 km/hr

  • 4]

    35 km/hr

Solution
No Solution Present Yet

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1
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Walking \(\frac{3}{4}\) of his normal speed, Rabi is 16 minutes late in reaching his office. The usual time is taken by him to cover the distance between his home and office:

 

  • 1] 48 min.
  • 2] 60 min.
  • 3] 42 min.
  • 4] 62 min.
  • 5] 66 min.
Solution
2
Discuss

A train met with an accident 120 km from station A. It completed the remaining journey at \(\frac{5}{6}\) of its previous speed and reached 2 hours late at station B. Had the accident taken place 300 km further, it would have been only 1 hour late. What is the speed of the train?

 

  • 1] 100 km/h
  • 2] 12 km/h
  • 3] 60 km/h
  • 4] 50 km/h
Solution
3
Discuss

A train 350 m long is running at the speed of 36 km/h. If it crosses a tunnel in 1 minute, the length of the tunnel in metres:

  • 1] 200 meters
  • 2] 250 meters
  • 3] 300 meters
  • 4] 150 meters
Solution
4
Discuss

A man walking at the rate of 5 km/hr crosses a bridge in 15 min. The length of the bridge (in metres) is :

  • 1] 600 metres
  • 2] 750 metres
  • 3] 1000 metres
  • 4] 1250 metres
Solution
5
Discuss

Rani goes to school from her house in 30 minutes. Raja takes 45 minutes in covering the same distance. Find the ratio between time taken by Rani and Raja ?

  • 1] 2 : 3
  • 2] 4 : 3
  • 3] 3 : 2
  • 4] 1 : 3
Solution
6
Discuss

A man walks a certain distance in certain time, if he had gone 3 km per hour faster, he would have taken 1 hour less than the scheduled time. If he had gone 2 km per hour slower, he would have taken one hour longer on the road. The distance (in km) is :

  • 1] 60
  • 2] 45
  • 3] 65
  • 4] 80
Solution
7
Discuss

Deepa rides her bike at an average speed of 30 km/hr and reaches her destination in 6 hours. Hema covers the same distance in 4 hours. If Deepa increases her average speed by 10 km/hr and Hema increases her average speed by 5 km/hr, what would be the difference in their time taken to reach the destination ?

  • 1] 40 min
  • 2] 45 min
  • 3] 54 min
  • 4] 1 hr
  • 5] None of these
Solution
8
Discuss

A train travels at a speed of 30 km/hr for 12 minutes and at a speed of 45 km/hr for the next 8 minutes. The average speed of the train for this journey is :

  • 1] 30 km/hr
  • 2] 36 km/hr
  • 3] 37.5 km/hr
  • 4] 48 km/hr
Solution
9
Discuss

A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 6 minutes ?

  • 1] 100 m
  • 2] 150 m
  • 3] 190 m
  • 4] 200 m
Solution
10
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A train passes two persons walking in the same direction at a speed of 3 kmph and 5 kmph respectively in 10 seconds and 11 seconds respectively. The speed of the train is

  • 1] 28 kmph
  • 2] 27 kmph
  • 3] 25 kmph
  • 4] 24 kmph
Solution
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