Quiz Discussion

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:

Course Name: Quantitative Aptitude

  • 1]

    2:3

  • 2]

    3:4

  • 3]

    4:5

  • 4]

    8:9

Solution
No Solution Present Yet

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# Quiz
1
Discuss

The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours, covering a distance of 800 km. The speed of the train in the onward journey is :

  • 1] 45 km/hr
  • 2] 47.5 km/hr
  • 3] 52 km/hr
  • 4] 56.25 km/hr
Solution
2
Discuss

Page and Plant are running on a track AB of length 10 metres. They start running simultaneously from the ends A and B respectively. The moment they reach either of the ends, they turn around and continue running. Page and Plant run with constant speeds of 2m/s and 5m/s respectively. How far from A (in metres) are they, when they meet for the 23rd time?

  • 1]

    0 meters

  • 2]

    10 meters

  • 3]

    40 meters

  • 4]

    \(\frac{{60}}{7}\) meters

  • 5]

    None of these

Solution
3
Discuss

If a person travels from a point L towards east for 12 km and then travels 5 km towards north and reached a point M, then the shortest distance from L to M is :

  • 1] 12 km
  • 2] 14 km
  • 3] 17 km
  • 4] 13 km
Solution
4
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
5
Discuss

Each wheel of a car is making 5 revolutions per second. If the diameter of a wheel is 84 cm, then the speed of the car in cm/sec would be :

  • 1] 420 cm/sec
  • 2] 264 cm/sec
  • 3] 1000 cm/sec
  • 4] 1320 cm/sec
Solution
6
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
7
Discuss

Running at \(\frac{5}{4}\) of his usual speed, an athlete improves his timing by 5 minutes. The time he usually takes to run the same distance is:

 

  • 1] 30 min.
  • 2] 28 min.
  • 3] 25 min.
  • 4] 23 min.
Solution
8
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
9
Discuss

Two men start together to walk a certain distance, one at 4 km/hr and another at 3 km/hr. The former arrives half an hour before the latter. Find the distance :

  • 1] 8 km
  • 2] 7 km
  • 3] 6 km
  • 4] 9 km
Solution
10
Discuss

An ant moved for several seconds and covered 3 mm in the first second and 4 mm more in each successive second than its predecessor. If the ant had covered 1 mm in the first second and 8 mm more in each successive second, then the difference between the path it would cover during the same time and actual path would be more than 6 mm but less than 30 mm. find the time for which the ant moved (in seconds).

  • 1] 5 s
  • 2] 4 s
  • 3] 6 s
  • 4] 2 s
  • 5] None of these
Solution
# Quiz