Quiz Discussion

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 :

Course Name: Quantitative Aptitude

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

A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:

  • 1] 14 km
  • 2] 15 km
  • 3] 16 km
  • 4] 17 km
Solution
2
Discuss

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.

  • 1]

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

  • 2]

    25 km/hr

  • 3]

    30 km/hr

  • 4]

    35 km/hr

Solution
3
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
4
Discuss

Car A travels at the speed of 65 km/hr and reaches its destination in 8 hours. Car B travels at the speed of 70 km/hr and reaches its destination in 4 hours. What is the ratio of the distance covered by car A and car B respectively ?

  • 1] 7 : 11
  • 2] 13 : 7
  • 3] 7 : 13
  • 4] 11 : 7
  • 5] None of these
Solution
5
Discuss

A boy stated from his house on bicycle at 10 am at a speed of 12 km per hour. His elder brother started after 1 hr 15 min on scooter along the same path and caught him at 1.30 pm. The speed of the scooter will be (in km/hr) ?

  • 1]

    4.5 km/hr

  • 2]

    36 km/hr

  • 3]

    \(18\frac{2}{3}\) km/hr

  • 4]

    9 km/hr

Solution
6
Discuss

A man goes downstream with a boat to some destination and returns upstream to his original place in 5 hours. If the speed of the boat in still water and the stream are 10 kmph and 4 kmph respectively, the distance of the destination from the starting place is:

  • 1] 16 km
  • 2] 18 km
  • 3] 21 km
  • 4] 25 km
Solution
7
Discuss

Due to the technical snag in the signal system two trains start approaching each other on the same track from two different stations, 240 km away each other. When the train starts a bird also starts moving to and fro between the two trains at 60 kmph touching each train each time. The bird initially sitting on the top of the engine of one of the trains and it moves so till these trains collide. If these trains collide one and half hour after start, then how many kilometers bird travels till the time of collision of trains?

  • 1] 90 km
  • 2] 130 km
  • 3] 120 km
  • 4] 95 km
  • 5] None of these
Solution
8
Discuss

The length of a train and that of a platform are equal. If with a speed of 90 km/hr the train crosses the platform in one minute, then the length of the train (in meters) is ?

  • 1] 500 meters
  • 2] 600 meters
  • 3] 750 meters
  • 4] 900 meters
Solution
9
Discuss

A man on tour travels 160 km by car at 64 km/hr and another 160 km by bus at 80 km/hr. The average speed for the whole journey is :

  • 1] 35.55 km/hr
  • 2] 36 km/hr
  • 3] 71.11 km/hr
  • 4] 71 km/hr
Solution
10
Discuss

A postman goes with a speed of 36 km/h what is the speed of postman in m/s?

  • 1] 4.5 m/s
  • 2] 6 m/s
  • 3] 5 m/s
  • 4] 10 m/s
Solution
# Quiz