Quiz Discussion

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)?

Course Name: Quantitative Aptitude

  • 1] 18
  • 2] 20
  • 3] 27
  • 4] 36
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A car travels 50% faster than a bike. Both start at the same time from A to B. The car reaches 25 minutes earlier than the bike. If the distance from A to B is 100 km, find the speed of the bike.

  • 1] 120 kmph
  • 2] 100 kmph
  • 3] 80 kmph
  • 4] 75 kmph
Solution
2
Discuss

Two trains start from P and Q respectively and travel towards each other at a speed of 50 km/hr and 40 km/hr respectively. By the time they meet the first train has travelled 100 km more than second. The distance between P and Q is:

  • 1]

    500 km

  • 2]

    630 km

  • 3]

    660 km

  • 4]

    900 km

Solution
3
Discuss

A boy stated from his house on bicycle at 10 am at a speed of 12 km per hour. His elder brother started after 1 hr 15 min on scooter along the same path and caught him at 1.30 pm. The speed of the scooter will be (in km/hr) ?

  • 1]

    4.5 km/hr

  • 2]

    36 km/hr

  • 3]

    \(18\frac{2}{3}\) km/hr

  • 4]

    9 km/hr

Solution
4
Discuss

From two places, 60 km apart A and B start towards each other at the same time and meet each other after 6 hours. If A traveled with \(\frac{2}{3}\) of his usual speed and B traveled with double his speed they would have met after 5 hours. The speed of A is :

 

  • 1] 4 km/hr
  • 2] 6 km/hr
  • 3] 10 km/hr
  • 4] 12 km/hr
Solution
5
Discuss

A man crosses a road 250 metres wide in 75 seconds. His speed in km/hr is :

  • 1] 10 km/hr
  • 2] 12 km/hr
  • 3] 12.5 km/hr
  • 4] 15 km/hr
Solution
6
Discuss

Narayan walking at a speed of 20 km/h reaches his college 10 minutes late. Next time he increases his speed by 5 km/h, but finds that he is still late by 4 minutes. What is the distance of his college from his house?

  • 1] 10 km
  • 2] 6 km
  • 3] 12 km
  • 4] 15 km
Solution
7
Discuss

A soldier fired two bullets at an interval of 335 seconds moving at a uniform speed V1. A terrorist who was running ahead of the soldier in same direction, hears the two shots at an interval of 330 seconds. If the speed of sound is 1188 km/h, then who is the faster and how much?

  • 1] Soldier, 22 km/h
  • 2] Terrorist, 25 km/h
  • 3] Soldier, 18 km/h
  • 4] Terrorist, 20 km/h
  • 5] None of these
Solution
8
Discuss

The diameter of each wheel of car is 70 cm. If each wheel rotates 400 times per minutes, then the speed of the car (in km/hr) if : \(\left( {{ \text{Take }}pi = \frac{{22}}{7}} \right)\)

 

  • 1] 5.28 km/hr
  • 2] 528 km/hr
  • 3] 52.8 km/hr
  • 4] 0.528 km/hr
Solution
9
Discuss

A can give 40 metres start to B and 70 metres to C in a race of one kilometre how many metres starts can B give to C in a race of one kilometre ?

  • 1]

    30 metres

  • 2]

    \(\frac{700}{29}\) metres

  • 3]

    \(31\frac{1}{4}\) metres

  • 4]

    32 metres

Solution
10
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
# Quiz