Quiz Discussion

A train running at a speed of 54 km/hr crosses a platform in 30 seconds. The platform is renovated and its length is doubled. Now, the same train running at same speed crosses the platform in 46 seconds. Find the length of the train.

Course Name: Quantitative Aptitude

  • 1] 180 metres
  • 2] 200 metres
  • 3] 210 metres
  • 4] 240 metres
  • 5] 450 meters
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

A person travels three equal distance at a speed of x km/hr, y km/hr and z km/hr respectively. What is the average speed for the whole journey ?

  • 1]

    \(\frac{{xyz}}{{3\left( {xy + yz + zx} \right)}}\)    km/hr

  • 2]

    \(\frac{{xyz}}{{\left( {xy + yz + zx} \right)}}\)    km/hr

  • 3]

    \(\frac{{\left( {xy + yz + zx} \right)}}{{xyz}}\)    km/hr

  • 4]

    \(\frac{{3xyz}}{{\left( {xy + yz + zx} \right)}}\)    km/hr

Solution
3
Discuss

A runs \(\frac{7}{4}\) times as fast as B. If A gives B a start of 300 m, how far must the winning post be if both A and B have to end the race at the same time?

 

  • 1] 1400 m
  • 2] 700 m
  • 3] 350 m
  • 4] 210 m
Solution
4
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
5
Discuss

A man can cross a downstream river by steamer in 40 minutes and same by boat in 1 hour. If the time of crossing Upstream by streamer is 50% more than downstream time by steamer and the time required by boat to cross same river by boat in upstream is 50% more than time required by in downstream. What is the time taken for the man to cross the river downstream by steamer and then return to same place by boat half the way and by steamer the rest of the way?

  • 1] 85 minutes
  • 2] 115 minutes
  • 3] 120 minutes
  • 4] 125 minutes
  • 5] None of these
Solution
6
Discuss

The distance from bhopal to indore is 200 km. A bus start from indore to bhopal every half an hour. If the speed of each bus is 40 km/hr. How many bus will a bhopal to indore bus cross by the time it reach indore?

  • 1]

    21

  • 2]

    22

  • 3]

    23

  • 4]

    24

Solution
7
Discuss

A train is 250 m long. If the train takes 50 second to cross a tree by the railway line, then the speed of the train on Km /hr is :

  • 1] 9 km/hr
  • 2] 5 km/hr
  • 3] 18 km/hr
  • 4] 10 km/hr
Solution
8
Discuss

Two boats, travelling at 5 km/h and 10 km/h, head directly towards each other. They begin at a distance of 20 km from each other. How far apart are they (in km) one minute before they collide?

  • 1]

    \(\frac{{1}}{{12}}\)

  • 2]

    \(\frac{{1}}{{6}}\)

  • 3]

    \(\frac{{1}}{{4}}\)

  • 4]

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

  • 5]

    None of these

Solution
9
Discuss

A monkey climbs a 60 m high pole. In first minute he climbs 6 m and slips down 3 m in the next minute. How much time is required by it to reach the top?

  • 1] 35 minutes
  • 2] 33 minutes
  • 3] 37 minutes
  • 4] 40 minutes
Solution
10
Discuss

Two men P and Q start a journey from the same place at a speed of 3 km/hr and \(3\frac{1}{2}\) km/hr respectively. If they move in the same direction then what is the distance of them after 4 hours?

 

  • 1]

    3 km

  • 2]

    \(2\frac{1}{2} \)km

  • 3]

    2 km

  • 4]

    \(\frac{1}{2}\) km

Solution
# Quiz