Quiz Discussion

A journey of 192 km between two cities take 2 hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/hr less than that of the fast train, the average speed of the fast train is :

Course Name: Quantitative Aptitude

  • 1] 32 km/hr
  • 2] 36 km/hr
  • 3] 48 km/hr
  • 4] 64 km/hr
Solution
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# Quiz
1
Discuss

Two trains start from the same point simultaneously and in the same direction. The first train travels at 40 km /h, and the speed of the second train is 25% more than the speed of first train. Thirty minutes later, a third train starts from same point and in the same direction. It over takes the second train 90 minutes later than it overtook the first train. What is the speed of the third train?

  • 1] 20 km/h
  • 2] 40 km/h
  • 3] 60 km/h
  • 4] 50 km/h
  • 5] 80 km/h
Solution
2
Discuss

A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound in meter per second is

  • 1] 60 m/s
  • 2] 62 m/s
  • 3] 64 m/s
  • 4] 68 m/s
Solution
3
Discuss

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
4
Discuss

A cyclist drove one kilometre, with the wind in his back, in 3 minutes and drove the same way back, against the wind, in 4 minutes. If we assume that the cyclist always puts constant force on the pedals, how much time would it take him to drive 1 km without wind ?

  • 1]

    \(2\frac{1}{3}\) min

  • 2]

    \(2\frac{3}{7}\) min

  • 3]

    \(3\frac{3}{7}\) min

  • 4]

    \(3\frac{7}{12}\) min

Solution
5
Discuss

In a race of 200 metres, B can give a start of 10 metres to A and C can give a start of 20 metres to B. The start that C can give to A, in the same race, is :

  • 1] 30 metres
  • 2] 25 metres
  • 3] 29 metres
  • 4] 27 metres
Solution
6
Discuss

A plane left half an hour later than the scheduled time and in order to reach its destination 1500 kilometers away in time, it had to increase its speed by 33.33 percent over its usual speed. Find its increased speed.

  • 1] 250 kmph
  • 2] 500 kmph
  • 3] 750 kmph
  • 4] 1000 kmph
  • 5] 1200 kmph
Solution
7
Discuss

The speeds of three cars are the ratio 2 : 3 : 4. The ratio of the taken by these cars to travel the same distance is :

  • 1] 2 : 3 : 4
  • 2] 4 : 3 : 2
  • 3] 4 : 3 : 6
  • 4] 6 : 4 : 3
Solution
8
Discuss

A thief sees a jeep at a distance of 250 m, coming towards him at 36 km/h. Thief takes 5 seconds to realize that there is nothing but the police is approaching him by the jeep and start running away from police at 54 km/h. But police realise after 10 second, when the thief starts running away, that he is actually a thief and gives chase at 72 km/h. How long after thief saw police did catchup with him and what is the distance police had travel to do so?

  • 1] 50 s, 1000 m
  • 2] 65 s, 1150 m
  • 3] 65 s, 1300 m
  • 4] 45 s, 1050 m
  • 5] None of these
Solution
9
Discuss

Ashok left from place A for place B at 8 am and Rahul left place B for place A at 10.00 am the distance between place A and B is 637 km. If Ashok and Rahul are travelling at a uniform speed of 39 kmph and 47 kmph respectively, at what time will they meet ?

  • 1] 5.30 pm
  • 2] 4.30 pm
  • 3] 5 pm
  • 4] 4 pm
Solution
10
Discuss

A truck covers a distance of 550 metres in 1 minute whereas a bus covers a distance of 33 kms in 45 minutes. The ratio of their speed is :

  • 1] 4 : 3
  • 2] 3 : 5
  • 3] 3 : 4
  • 4] 50 : 3
Solution
# Quiz