Quiz Discussion

Rani goes to school from her house in 30 minutes. Raja takes 45 minutes in covering the same distance. Find the ratio between time taken by Rani and Raja ?

Course Name: Quantitative Aptitude

  • 1] 2 : 3
  • 2] 4 : 3
  • 3] 3 : 2
  • 4] 1 : 3
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The distance between two cities A and B is 330 km. A train starts from A at 8 am and travels towards B at 60 km/hr. Another train starts from B at 9 am and travels towards A at 75 km/hr. At what time do they meet ?

  • 1] 10.00 am
  • 2] 10.30 am
  • 3] 11.00 am
  • 4] 11.30 am
Solution
2
Discuss

A motor boat takes 2 hours to travel a distance of 9 km downstream and it takes 6 hours to travel the same distance against the current. The speed of the boat in still water and that of the current (in km/h) respectively are:

  • 1] 6, 5 km/h
  • 2] 3, 1.5 km/h
  • 3] 8, 5 km/h
  • 4] 9, 3 km/h
Solution
3
Discuss

A car after traveling 18 km from a point A developed some problem in the engine and the speed became \(\frac{4}{5}\) th of its original speed. As a result, the car reached point B 45 minutes late. If the engine had developed the same problem after traveling 30 km from A, then it would have reached 36 minutes late. The original speed of the car (in km/h) is:

 

  • 1] 25 kmph
  • 2] 30 kmph
  • 3] 20 kmph
  • 4] 35 kmph
  • 5] None of these
Solution
4
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
5
Discuss

A man can reach a certain place in 30 hours. If he reduces his speed by 1/15th, he goes 10 km less in that time. Find his speed in km/ hr?

  • 1]

    9 km/hr

  • 2]

    2 km/hr

  • 3]

    7 km/hr

  • 4]

    5 km/hr

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 trains started at the same time, one from A to B and other from B to A. if they arrived at B and A respectively in 4 hours and 9 hours after they passed each other, the ratio of the speeds of the two trains was:

  • 1] 2 : 1
  • 2] 3 : 2
  • 3] 4 : 3
  • 4] 5 : 4
Solution
8
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
9
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
10
Discuss

Ravi walks to and fro to a shopping mall. He spends 30 minutes shopping. If he walks at a speed of 10 km an hour, he returns home at 19.00 hours. If he walks at 15 km an hour, her returns home at 18.30 hours. How far must he walk in order to return home at 18.15 hours ?

  • 1] 17 km/hr
  • 2] 17.5 km/hr
  • 3] 18 km/hr
  • 4] 19 km/hr
  • 5] None of these
Solution
# Quiz