Quiz Discussion

A man can walk uphill at the rate of \(2\frac{1}{2}\) km/hr and downhill at the rate of \(3\frac{1}{4}\) km/hr. If the total time required to walk a certain distance up the hill and return to the starting point was 4 hr 36 min, then what was the distance walked up the hill by the man ?

 

Course Name: Quantitative Aptitude

  • 1]

    4 km

  • 2]

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

  • 3]

    \(5\frac{1}{2}\) km

  • 4]

    \(6\frac{1}{2}\)km

Solution
No Solution Present Yet

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How long must a driver take to drive the final 70 miles of a trip if he wants to average 50 miles an hour for the entire trip and during the first part of the trip he drove 50 miles in \(1\frac{1}{2}\) hours ?

 

  • 1] 54 min
  • 2] 1 hr
  • 3] 66 min
  • 4] 70 min
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2
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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
3
Discuss

Without stoppage, a train travels a certain distance with an average speed of 60 km/h, and with stoppage it covers the same distance with an average speed of 40 km/h. On an average, how many minutes per hour does train stop during the journey ?

  • 1] 20 min/hour
  • 2] 15 min/hour
  • 3] 10 min/hour
  • 4] 12 min/hour
Solution
4
Discuss

Two buses start from a bus terminal with a speed of 20 km/h at interval of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at interval of 8 minutes?

  • 1] 3 km/h
  • 2] 4 km/h
  • 3] 5 km/h
  • 4] 7 km/h
Solution
5
Discuss

If a person travels from a point L towards east for 12 km and then travels 5 km towards north and reached a point M, then the shortest distance from L to M is :

  • 1] 12 km
  • 2] 14 km
  • 3] 17 km
  • 4] 13 km
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Discuss

A star is 8.1 × 1013 km away from the earth. Suppose light travels at the speed of 3.0 × 105 km per second. How long will it take the light from the star to reach the earth ?

  • 1] 7.5 × 103 hours
  • 2] 7.5 × 104 hours
  • 3] 2.7 × 1010 seconds
  • 4] 2.7 × 1011 seconds
Solution
7
Discuss

A passenger train 150 m long is travelling with a speed of 36 km/hr. If a man is cycling in the direction of train at 9 km/hr, the time taken by the train to pass the man is :

  • 1] 10 seconds
  • 2] 15 seconds
  • 3] 18 seconds
  • 4] 20 seconds
Solution
8
Discuss

The speed of a car increases by 2 kms after every one hours. If the distance travelled in the first one hour was 35 kms, what was the total distance travelled in 12 hours ?

 

  • 1] 456 kms
  • 2] 482 kms
  • 3] 552 kms
  • 4] 556 kms
  • 5] None of these
Solution
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Two trains 150 m and 120 m long respectively moving from opposite direction cross each other in 10 sec. If the speed of the second train is 43.2 km/hr, then the speed of the first train is :

  • 1] 54 km/hr
  • 2] 50 km/hr
  • 3] 52 km/hr
  • 4] 51 km/hr
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With an uniform speed, a car covers a distance in 8 hours. had the speed been increased by 4 km/hr, the same distance could have been covered in 7 hr and 30 min. What is the distance covered ?

  • 1] 420 km
  • 2] 480 km
  • 3] 520 km
  • 4] 640 km
Solution
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