Quiz Discussion

A bullock cart has to cover a distance of 120 km in 15 hours. If it covers half of the journey in \(\frac{3}{5}\)th time, the second to cover the remaining distance in the time left has to be :

 

Course Name: Quantitative Aptitude

  • 1] 6.4 km/hr
  • 2] 6.67 km/hr
  • 3] 10 km/hr
  • 4] 15 km/hr
Solution
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# Quiz
1
Discuss

The ratio between the speed of a bus and train is 15 : 27 respectively. Also, a car covered a distance of 720 km in 9 hours. The speed of the Bus is three-fourth the speed of the car. How much distance will the train cover in 7 hours?

  • 1] 760 km
  • 2] 756 km
  • 3] 740 km
  • 4] None of these
Solution
2
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
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 person travels three equal distance at a speed of x km/hr, y km/hr and z km/hr respectively. What is the average speed for the whole journey ?

  • 1]

    \(\frac{{xyz}}{{3\left( {xy + yz + zx} \right)}}\)    km/hr

  • 2]

    \(\frac{{xyz}}{{\left( {xy + yz + zx} \right)}}\)    km/hr

  • 3]

    \(\frac{{\left( {xy + yz + zx} \right)}}{{xyz}}\)    km/hr

  • 4]

    \(\frac{{3xyz}}{{\left( {xy + yz + zx} \right)}}\)    km/hr

Solution
5
Discuss

Due to inclement weather, an Aeroplane reduce its speed by 300 km/hr and reached the destination of 1200 km late by 2 hours. Then the schedule duration of the flight was :

  • 1] 1 hour
  • 2] 1.5 hours
  • 3] 2 hours
  • 4] 2.5 hours
Solution
6
Discuss

Two ports A and B are 300 km apart. Two ships leave A for B such that the second leaves 8 hours after the first. The ships arrive at B simultaneously. Find the time the slower ship spent on the trip if the speed of one of them is 10 km/h higher than that of the other.

  • 1] 25 hours
  • 2] 20 hours
  • 3] 15 hours
  • 4] 20 hours
  • 5] 24 hours
Solution
7
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
8
Discuss

A and B run a kilometre and A wins by 25 sec. A and C run a kilometre and A wins by 275 m. When B and C run the same distance, B wins by 30 sec. The time taken by A to run a kilometre is :

  • 1] 2 min 25 sec
  • 2] 2 min 50 sec
  • 3] 3 min 20 sec
  • 4] 3 min 30 sec
Solution
9
Discuss

A thief sees a jeep at a distance of 250 m, coming towards him at 36 km/h. Thief takes 5 seconds to realize that there is nothing but the police is approaching him by the jeep and start running away from police at 54 km/h. But police realise after 10 second, when the thief starts running away, that he is actually a thief and gives chase at 72 km/h. How long after thief saw police did catchup with him and what is the distance police had travel to do so?

  • 1] 50 s, 1000 m
  • 2] 65 s, 1150 m
  • 3] 65 s, 1300 m
  • 4] 45 s, 1050 m
  • 5] None of these
Solution
10
Discuss

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

  • 1] 10.4 km/hr
  • 2] 10.8 km/hr
  • 3] 11 km/hr
  • 4] 12.2 km/hr
Solution
# Quiz