Quiz Discussion

Car A travels at the speed of 65 km/hr and reaches its destination in 8 hours. Car B travels at the speed of 70 km/hr and reaches its destination in 4 hours. What is the ratio of the distance covered by car A and car B respectively ?

Course Name: Quantitative Aptitude

  • 1] 7 : 11
  • 2] 13 : 7
  • 3] 7 : 13
  • 4] 11 : 7
  • 5] None of these
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A girl while walking diametrically across a semicircular playground, takes 3 minutes less than if she had kept walking round the circular path from A to B. If she walks 60 metres a minute, what is diameter of the play ground?

  • 1] 60 m
  • 2] 48 m
  • 3] 84 m
  • 4] 315 m
  • 5] None of these
Solution
2
Discuss

Two buses start from a bus terminal with a speed of 20 km/h at interval of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at interval of 8 minutes?

  • 1] 3 km/h
  • 2] 4 km/h
  • 3] 5 km/h
  • 4] 7 km/h
Solution
3
Discuss

In a race of one kilometre. A gives B a start of 100 metres and still wins by 20 seconds. But if A gives B a start of 25 seconds, B wins by 50 metres. The time taken by A to run kilometre is :

  • 1]

    17 sec

  • 2]

    \(\frac{{500}}{{29}}{ \text{sec}}\)

  • 3]

    \(\frac{{1200}}{{29}}{ \text{sec}}\)

  • 4]

    \(\frac{{700}}{{29}}{ \text{sec}}\)

Solution
4
Discuss

A train 300 m long passed a man walking along the line in the same direction at the rate of 3 km/hr in 33 sec. The speed of the train is :

  • 1]

    30 km/hr

  • 2]

    32 km/hr

  • 3]

    \(32\frac{8}{{11}}\)  km/hr

  • 4]

    \(35\frac{8}{{11}}\)  km/hr

Solution
5
Discuss

A boy is running at a speed of p kmph to cover a distance of 1 km. But, due to the slippery ground, his speed is reduced by q kmph (p > q). If he takes r hours to cover the distance, then:

  • 1]

    \(\frac{1}{r} = p - q\)

  • 2]

    r = p - q

  • 3]

    \(\frac{1}{r} = p + q\)

  • 4]

    r = p + r

Solution
6
Discuss

A man takes 50 minutes to cover a certain distance at a speed of 6 km/hr. If he walks with a speed of 10 km/hr, he covers the same distance in :

  • 1] 10 min
  • 2] 20 min
  • 3] 30 min
  • 4] 40 min
Solution
7
Discuss

A car traveling with \(\frac{5}{7}\) of its usual speed covers 42 km in 1 hr 40 min 48 sec. What is the usual speed of the car?

 

  • 1]

    \(17\frac{6}{7}\) km/hr

  • 2]

    35 km/hr

  • 3]

    25 km/hr

  • 4]

    30 km/hr

Solution
8
Discuss

A dog start chasing to a cat 2 hour later. It takes 2 hours to dog to catch the cat. If the speed of the dog is 30 km/h. what is the speed of cat?

  • 1] 10 km/h
  • 2] 12 km/h
  • 3] 15 km/h
  • 4] 20 km/h
Solution
9
Discuss

A thief steals a car at 2.30 pm and drives it at 60 kmph. The theft is discovered at 3 pm and the owner sets off in another car at 75 kmph. When will he overtake the thief ?

  • 1]

    4.30 pm

  • 2]

    4.45 pm

  • 3]

    5 pm

  • 4]

     5.15 pm

Solution
10
Discuss

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 ?

  • 1] 60 km/hr
  • 2] 90 km/hr
  • 3] 120 km/hr
  • 4] 135 km/hr
Solution
# Quiz