Quiz Discussion

Two cars are moving with speed v1, v2 towards a crossing along two roads, If their distance from the crossing be 40 metres and 50 metres at an instant of time then they do not collide if their speeds are such that :

Course Name: Quantitative Aptitude

  • 1]

    v1 : v2 =16 : 25

  • 2]

    v1 : v2 e 4 : 5

  • 3]

    v1 : v2 e 5 : 4

  • 4]

    v1 : v2 e 25 : 16

Solution
No Solution Present Yet

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# Quiz
1
Discuss

A thief is noticed by a policeman from a distance of 200 metres the thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km/hr and 11 km/hr respectively. What is the distance between them after 6 minutes ?

  • 1] 100 m
  • 2] 190 m
  • 3] 200 m
  • 4] 150 m
Solution
2
Discuss

Ramesh travels 760 km to his home, partly by train and partly by car. He takes 8 hours, if he travels 160 km by train and the rest by car. He takes 12 minutes more, if he travels 240 km by train and the rest by car. What are the spends of the car and the train respectively ?

  • 1] 90 km/hr, 60 km/hr
  • 2] 100 km/hr, 80 km/hr
  • 3] 80 km/hr, 70 km/hr
  • 4] 100 km/hr, 90 km/hr
Solution
3
Discuss

A journey of 192 km between two cities take 2 hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/hr less than that of the fast train, the average speed of the fast train is :

  • 1] 32 km/hr
  • 2] 36 km/hr
  • 3] 48 km/hr
  • 4] 64 km/hr
Solution
4
Discuss

A car travels 50% faster than a bike. Both start at the same time from A to B. The car reaches 25 minutes earlier than the bike. If the distance from A to B is 100 km, find the speed of the bike.

  • 1] 120 kmph
  • 2] 100 kmph
  • 3] 80 kmph
  • 4] 75 kmph
Solution
5
Discuss

Two guns were fired from the same place at an interval of 8 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearing of the sound of the two guns. If the velocity of the sound is 330 m/sec, the man was approaching the place at what speed (in km/hr) ?

  • 1] 24 km/hr
  • 2] 27 km/hr
  • 3] 30 km/hr
  • 4] 36 km/hr
Solution
6
Discuss

A can give 40 metres start to B and 70 metres to C in a race of one kilometre how many metres starts can B give to C in a race of one kilometre ?

  • 1]

    30 metres

  • 2]

    \(\frac{700}{29}\) metres

  • 3]

    \(31\frac{1}{4}\) metres

  • 4]

    32 metres

Solution
7
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
8
Discuss

A boy rides his bicycle 10 km at an average speed of 12km/hr and again travels 12km at an average speed of the 10km/hr. His average speed for the entire trip is ?

  • 1]

    10.8

  • 2]

    10.4

  • 3]

    11

  • 4]

    12

Solution
9
Discuss

A man covers half of his journey at 6 km/h and the remaining half at 3 km/h. His average speed is

  • 1] 9 km/h
  • 2] 4.5 km/h
  • 3] 4 km/h
  • 4] 3 km/h
Solution
10
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
# Quiz