Quiz Discussion

A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of the two speed is :

Course Name: Quantitative Aptitude

  • 1] 1 : 16
  • 2] 4 : 1
  • 3] 2 : 1
  • 4] 1 : 4
Solution
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# Quiz
1
Discuss

A boat covers 48 km upstream and 72 km downstream in 12 hours, while it covers 72 km upstream and 48 km downstream in 13 hours The speed of stream is :

  • 1] 2 kmph
  • 2] 2.2 kmph
  • 3] 2.5 kmph
  • 4] 4 kmph
Solution
2
Discuss

Mr A started half an hour later than usual for the marketplace. But by increasing his speed to \(\frac{3}{2} \)times his usual speed he reached 10 minutes earlier than usual. What is his usual time for this journey?

 

  • 1] 1 hours
  • 2] 2 hours
  • 3] 3 hours
  • 4] 45 minutes
  • 5] None of these
Solution
3
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
4
Discuss

Two trains start from a certain place on two parallel tracks in the same direction. The speed of the trains are 45 km/hr and 40 km/hr respectively. The distance between the two trains after 45 minutes will be :

  • 1] 2.500 km
  • 2] 2.750 km
  • 3] 3.750 km
  • 4] 3.25 km
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 moving train passes a platform 50 m long in 14 seconds and a lamp post in 10 seconds. The speed of the train (in km/hr) is :

  • 1] 24 km/hr
  • 2] 36 km/hr
  • 3] 40 km/hr
  • 4] 45 km/hr
Solution
7
Discuss

A train 300 m long is running with a speed of 54 km/hr. In what time it cross a telephone pole ?

  • 1] 20 seconds
  • 2] 15 seconds
  • 3] 17 seconds
  • 4] 18 seconds
Solution
8
Discuss

I started on my bicycle at 7 am to reach a certain place. After going a certain distance, my bicycle went out of order. Consequently, I rested for 35 minutes and came back to my house walking all the way. I reached my house at 1 pm. If my cycling speed is 10 kmph and my walking speed is 1 kmph, then on my bicycle I covered a distance of :

  • 1]

    \(4\frac{61}{66}\) km

  • 2]

    \(13\frac{4}{9}\) km

  • 3]

    \(14\frac{3}{8}\) km

  • 4]

    \(15\frac{10}{21}\) km

Solution
9
Discuss

The speed of a motor-boat is that of the current of water as 36:5. The boat goes along with the current in 5 hours 10 minutes. It will come back in:

  • 1] 5 hours 50 minutes
  • 2] 6 hours
  • 3] 6 hours 50 minutes
  • 4] 12 hours 10 minutes
Solution
10
Discuss

A girl while walking diametrically across a semicircular playground, takes 3 minutes less than if she had kept walking round the circular path from A to B. If she walks 60 metres a minute, what is diameter of the play ground?

  • 1] 60 m
  • 2] 48 m
  • 3] 84 m
  • 4] 315 m
  • 5] None of these
Solution
# Quiz