Quiz Discussion

Train A travelling at 60 km/hr leaves Mumbai for Delhi at 6 pm. Train B travelling at 90 km/hr also leaves Mumbai for Delhi at 9 pm. Train C leaves Delhi for Mumbai at 9 pm. If all the three trains meet at the same time between Mumbai and Delhi, then what is the speed of train C if the distance between Delhi and Mumbai is 1260 km ?

Course Name: Quantitative Aptitude

  • 1] 60 km/hr
  • 2] 90 km/hr
  • 3] 120 km/hr
  • 4] 135 km/hr
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The speed of two trains are in the ratio 6 : 7. If the second train runs 364 km in 4 hours, then the speed of first train is :

  • 1] 60 km/hr
  • 2] 72 km/hr
  • 3] 78 km/hr
  • 4] 84 km/hr
Solution
2
Discuss

An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in \(1\frac{2}{3}\) hours, it must travel at a speed of :

 

  • 1] 300 kmph
  • 2] 360 kmph
  • 3] 600 kmph
  • 4] 720 kmph
Solution
3
Discuss

A, B and C start together from the same place to walk round a circular path of length 12km. A walks at the rate of 4 km/h, B 3 km/h and C \(\frac{3}{2}\) km/h. They will meet together at the starting place at the end of:

 

  • 1] 10 hours
  • 2] 12 hours
  • 3] 15 hours
  • 4] 24 hours
Solution
4
Discuss

The speed \(3\frac{1}{3}\) m/sec when expressed in km/hr becomes :

 

  • 1] 8 km/hr
  • 2] 9 km/hr
  • 3] 10 km/hr
  • 4] 12 km/hr
Solution
5
Discuss

Two trains of equal length, running in opposite directions, pass a pole in 18 and 12 seconds. The trains will cross each other in:

  • 1] 14.4 seconds
  • 2] 15.5 seconds
  • 3] 18.8 seconds
  • 4] 20.2 seconds
Solution
6
Discuss

Points 'A' and 'B' are 70 km apart on a highway and two cars start at the same time. If they travel in the same direction, they meet in 7 hours, but if they travel towards each other they meet in one hour. Find the speed of the two cars (in km/hr).

  • 1] 20, 30
  • 2] 40, 30
  • 3] 30, 50
  • 4] 20, 40
Solution
7
Discuss

Two guns are fired from the same place at an interval of 6 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearings of the sound of the two guns. If the velocity of the sound is 330 m/sec, the man was approaching that place at what speed (in km/h)?

  • 1] 24 kmph
  • 2] 27 kmph
  • 3] 30 kmph
  • 4] 36 kmph
Solution
8
Discuss

A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster, in kilometres per hour, n a n average must he travel to make such a trip in 5656 hour less time?

  • 1]

    10

  • 2]

    20

  • 3]

    30

  • 4]

    None Of these

Solution
9
Discuss

Walking at the rate of 4 km an hour, a man cover a certain distance in 3 hours 45 minutes. If he covers the same distance on cycle, cycling at the rate of 16.5 km/hour, the time taken by him is :

  • 1] 55.45 minutes
  • 2] 54.55 minutes
  • 3] 55.44 minutes
  • 4] 45.55 minutes
Solution
10
Discuss

One of the two buses completes a journey of 300 km in 7½ hours an the other a journey of 450 km in 9 hours.  The ratio of their average speeds is:

  • 1]

    2:3

  • 2]

    3:4

  • 3]

    4:5

  • 4]

    8:9

Solution
# Quiz