Quiz Discussion

A cyclist rides 24 km at 16 kmph and further 36 km at 15 kmph. Find his average speed for the journey ?

Course Name: Quantitative Aptitude

  • 1] 15.38 km/hr
  • 2] 15.5 km/hr
  • 3] 16 km/hr
  • 4] None of these
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The ratio of speeds of A and B is 2 : 3 and therefore A takes 20 minutes more time than B. What is the ratio of time taken by A and B?

  • 1] 2 : 3
  • 2] 2 : 5
  • 3] 3 : 2
  • 4] 3 : 5
Solution
2
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
3
Discuss

A man travels for 5 hours 15 minutes. If he covers the first half of the journey at 60 km/hr and rest at 45 km/hr. Find the total distance travelled by him ?

  • 1]

    \(1028\frac{6}{7}\) km

  • 2]

    189 km

  • 3]

    378 km

  • 4]

    270 km

Solution
4
Discuss

A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 metres ahead of the policeman, then the time required for the policeman to catch the thief will be :

  • 1] 2 minutes
  • 2] 3 minutes
  • 3] 6 minutes
  • 4] 10 minutes
Solution
5
Discuss

A man goes to the fair with his son and dog. Unfortunately man misses his son which he realizes 20 minutes later. The son comes back towards his home at the speed of 20 m/min and man follows him at 40 m/min. The dog runs to son and comes back to the man to show him the direction of his son. He keeps moving to and fro at 60 m/min between son and father, till the man meets the son. What is the distance traveled by the dog in the direction of the son?

  • 1] 800 m
  • 2] 1675 m
  • 3] 848 m
  • 4] 1000 m
  • 5] None of these
Solution
6
Discuss

A moving train crosses a man standing on a platform and the platform 300 metres long in 10 seconds and 25 seconds respectively. What will be the time taken by the train to cross a platform 200 metre long ?

  • 1]

    \(16\frac{2}{3} \)seconds

  • 2]

    18 seconds

  • 3]

    20 seconds

  • 4]

    22 seconds

Solution
7
Discuss

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

  • 1] 3.6 km/hr
  • 2] 7.2 km/hr
  • 3] 8.4 km/hr
  • 4] 10 km/hr
Solution
8
Discuss

Robert is travelling on his cycle and has calculated to reach point A at 2 P.M. if he travels at 10 kmph, he will reach there at 12 noon if he travels at 15 kmph. At what speed must he travel to reach A at 1 P.M.?

  • 1] 8 kmph
  • 2] 11 kmph
  • 3] 12 kmph
  • 4] 14 kmph
Solution
9
Discuss

A man walking at the rate of 5 km/hr crosses a bridge in 15 min. The length of the bridge (in metres) is :

  • 1] 600 metres
  • 2] 750 metres
  • 3] 1000 metres
  • 4] 1250 metres
Solution
10
Discuss

A ship, 40 kilometers from the shore, springs a leak which admits \(3\frac{3}{4}\) tonnes of water in 12 minutes. 60 tonnes would suffice to sink her, but the ship's pumps can throw out 12 tonnes of water in one hour. Find the average rate of sailing, so that she may reach the shore just as she begging to sink?

 

  • 1]

    \(1\frac{1}{2}\) km/hr

  • 2]

    \(2\frac{1}{2}\) km/hr

  • 3]

    \(3\frac{1}{2}\) km/hr

  • 4]

    \(4\frac{1}{2}\) km/hr

Solution
# Quiz