Quiz Discussion

An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in \(1\frac{2}{3}\) hours, it must travel at a speed of :

 

Course Name: Quantitative Aptitude

  • 1] 300 kmph
  • 2] 360 kmph
  • 3] 600 kmph
  • 4] 720 kmph
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A man covers a total distance of 100 km on bicycle. For the first 2 hours, the speed was 20 km/hr and for the rest of the journey, it came down to 10 km/hr. The average speed will be :

  • 1]

    \(12\frac{1}{2}\) km/hr

  • 2]

    13 km/hr

  • 3]

    \(\frac{1}{8}\) km/hr

  • 4]

    20 km/hr

Solution
2
Discuss

Two planes move along a circle of circumference 1.2 kms with constant speeds. When they move in different directions, they meet every 15 seconds and when they move in the same direction one plane overtakes the other every 60 seconds. The speed of the slower plane is :

  • 1] 0.02 km/sec
  • 2] 0.03 km/sec
  • 3] 0.04 km/sec
  • 4] 0.05 km/sec
Solution
3
Discuss

An ant climbing up a vertical pole ascends 12 meters and slips down 5 meters in every alternate hour. If the pole is 63 meters high how long will it take it to reach the top?

  • 1] 18 hours
  • 2] 17 hours
  • 3] 16 hours 35 min
  • 4] 16 hours 40 min
  • 5] None of these
Solution
4
Discuss

The wheel of an engine of 300 cm in circumference makes 10 revolutions in 6 seconds. What is the speed of the wheel (in km/h)?

  • 1] 18
  • 2] 20
  • 3] 27
  • 4] 36
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

Running at \(\frac{5}{4}\) of his usual speed, an athlete improves his timing by 5 minutes. The time he usually takes to run the same distance is:

 

  • 1] 30 min.
  • 2] 28 min.
  • 3] 25 min.
  • 4] 23 min.
Solution
7
Discuss

Due to the technical snag in the signal system two trains start approaching each other on the same track from two different stations, 240 km away each other. When the train starts a bird also starts moving to and fro between the two trains at 60 kmph touching each train each time. The bird initially sitting on the top of the engine of one of the trains and it moves so till these trains collide. If these trains collide one and half hour after start, then how many kilometers bird travels till the time of collision of trains?

  • 1] 90 km
  • 2] 130 km
  • 3] 120 km
  • 4] 95 km
  • 5] None of these
Solution
8
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
9
Discuss

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:

  • 1] 35.55 km/hr
  • 2] 36 km/hr
  • 3] 71.11 km/hr
  • 4] 71 km/hr
Solution
10
Discuss

The area of square park is 25 sq. Km. Time taken to complete a round of the field once, at a speed of 3 kmph is:

  • 1] 4 hours 60 minutes
  • 2] 4 hours 50 minutes
  • 3] 6 hours 40 minutes
  • 4] 5 hours 40 minutes
Solution
# Quiz