Quiz Discussion

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 : \(\left( {{ \text{Take }}pi = \frac{{22}}{7}} \right)\)

 

Course Name: Quantitative Aptitude

  • 1] 5.28 km/hr
  • 2] 528 km/hr
  • 3] 52.8 km/hr
  • 4] 0.528 km/hr
Solution
No Solution Present Yet

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# Quiz
1
Discuss

If a train runs at 40 kmph, it reaches its destination late by 11 minutes but if it runs at 50 kmph, it is late by 5 min only. The correct time for the train to complete its journey is :

  • 1] 13 min
  • 2] 15 min
  • 3] 19 min
  • 4] 21 min
Solution
2
Discuss

If a 250 m long train crosses a platform of same length as that of the train in 25 seconds, then the speed of the train is:

  • 1] 150 m/sec
  • 2] 200 m/sec
  • 3] 20 km/h
  • 4] 72 km/h
Solution
3
Discuss

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the cars is:

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

A is twice fast as B and B is thrice fast as C. The journey covered by C in 78 minutes will be covered by A in :

  • 1] 13 min
  • 2] 15.5 min
  • 3] 17 min
  • 4] 12 min
Solution
5
Discuss

If a distance of 50 m is covered in 1 minute, 90 m in 2 minutes and 130 m 3 minutes. Find the distance covered in 15th minute.

  • 1] 610 minutes
  • 2] 750 minutes
  • 3] 1000 minutes
  • 4] 650 minutes
Solution
6
Discuss

Two boys A and B start at the same time to ride from Delhi to Meerut, 60 km away. A travels 4 km an hours slower than B, B reaches Meerut and at once turns back meeting A, 12 km from Meerut. A's rate was :

  • 1] 4 km/hr
  • 2] 8 km/hr
  • 3] 12 km/hr
  • 4] 16 km/hr
Solution
7
Discuss

A train travelling with a speed of 60 kmph catches another train travelling in the same direction and then leaves it 120 m behind in 18 seconds. The speed of the second train is

  • 1] 26 kmph
  • 2] 35 kmph
  • 3] 36 kmph
  • 4] 63 kmph
Solution
8
Discuss

A person X starts from Lucknow and another person Y starts from Kanpur to meet each other. Speed of X is 25 km/h, while Y is 35 km/h. If the distance between Lucknow and Kanpur be 120 km and both X and Y start their journey at the same time, when they will meet ?

  • 1]

    1 hours later

  • 2]

    2 hours later

  • 3]

    \(\frac{1}{2}\) hours later

  • 4]

    3 hours later

Solution
9
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
10
Discuss

Two persons A and B start simultaneously from P and Q respectively. A meets B at a distance of 60m from P. After A reaches Q and B reaches P, they turn around and start walking in opposite direction, now B meets A at a distance of 40m from Q. Find distance between P and Q?

  • 1] 160 m
  • 2] 100 m
  • 3] 140 m
  • 4] 105 m
  • 5] None of These
Solution
# Quiz