Quiz Discussion

Two guns are fired from the same place at an interval of 6 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearings of the sound of the two guns. If the velocity of the sound is 330 m/sec, the man was approaching that place at what speed (in km/h)?

Course Name: Quantitative Aptitude

  • 1] 24 kmph
  • 2] 27 kmph
  • 3] 30 kmph
  • 4] 36 kmph
Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

A dog after traveling 50 km meets a swami who counsels him to go slower. He then proceeds at \(\frac{3}{4} \)of his former speed and arrives at his destination 35 min late. Had the meeting occurred 24 km further the dog would have reached its destination 25 min late. The speed of the dog is:

 

  • 1] 48 kmph
  • 2] 36 kmph
  • 3] 54 kmph
  • 4] 58 kmph
Solution
3
Discuss

A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound in meter per second is

  • 1] 60 m/s
  • 2] 62 m/s
  • 3] 64 m/s
  • 4] 68 m/s
Solution
4
Discuss

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
5
Discuss

A, B and C start together from the same place to walk round a circular path of length 12km. A walks at the rate of 4 km/h, B 3 km/h and C \(\frac{3}{2}\) km/h. They will meet together at the starting place at the end of:

 

  • 1] 10 hours
  • 2] 12 hours
  • 3] 15 hours
  • 4] 24 hours
Solution
6
Discuss

P and Q are 27 km away. Two trains with speed of 24 km/hr and 18 km/hr respectively start simultaneously from P and Q and travel in the same direction. They meet at a point R beyond Q. Distance QR is :

  • 1] 126 km
  • 2] 81 km
  • 3] 48 km
  • 4] 36 km
Solution
7
Discuss

A and B travel the same distance at speed of 9 km/hr and 10 km/hr respectively. If A takes 36 min more than B, the distance travelled by each is :

  • 1] 48 km
  • 2] 54 km
  • 3] 60 km
  • 4] 66 km
Solution
8
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
Solution
9
Discuss

A man walk a certain distance and rides back in 4 hours 30 minutes. He could ride both ways in 3 hours. The time required by the man to walk both ways is :

  • 1] 4 hours 30 minutes
  • 2] 4 hours 45 minutes
  • 3] 5 hours
  • 4] 6 hours
Solution
10
Discuss

A journey of 192 km between two cities take 2 hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/hr less than that of the fast train, the average speed of the fast train is :

  • 1] 32 km/hr
  • 2] 36 km/hr
  • 3] 48 km/hr
  • 4] 64 km/hr
Solution
# Quiz