Quiz Discussion

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

Course Name: Quantitative Aptitude

  • 1] 60 m/s
  • 2] 62 m/s
  • 3] 64 m/s
  • 4] 68 m/s
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A thief sees a jeep at a distance of 250 m, coming towards him at 36 km/h. Thief takes 5 seconds to realize that there is nothing but the police is approaching him by the jeep and start running away from police at 54 km/h. But police realise after 10 second, when the thief starts running away, that he is actually a thief and gives chase at 72 km/h. How long after thief saw police did catchup with him and what is the distance police had travel to do so?

  • 1] 50 s, 1000 m
  • 2] 65 s, 1150 m
  • 3] 65 s, 1300 m
  • 4] 45 s, 1050 m
  • 5] None of these
Solution
2
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
3
Discuss

A boy rides his bicycle 10 km at an average speed of 12km/hr and again travels 12km at an average speed of the 10km/hr. His average speed for the entire trip is ?

  • 1]

    10.8

  • 2]

    10.4

  • 3]

    11

  • 4]

    12

Solution
4
Discuss

Two men P and Q start a journey from the same place at a speed of 3 km/hr and \(3\frac{1}{2}\) km/hr respectively. If they move in the same direction then what is the distance of them after 4 hours?

 

  • 1]

    3 km

  • 2]

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

  • 3]

    2 km

  • 4]

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

Solution
5
Discuss

A train passes two bridges of length 800 m and 400 m in 100 seconds and 60 seconds respectively. The length of the train is:

  • 1] 80m
  • 2] 90m
  • 3] 200m
  • 4] 150m
Solution
6
Discuss

Two boats, travelling at 5 km/h and 10 km/h, head directly towards each other. They begin at a distance of 20 km from each other. How far apart are they (in km) one minute before they collide?

  • 1]

    \(\frac{{1}}{{12}}\)

  • 2]

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

  • 3]

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

  • 4]

    \(\frac{{1}}{{3}}\)

  • 5]

    None of these

Solution
7
Discuss

A man can cross a downstream river by steamer in 40 minutes and same by boat in 1 hour. If the time of crossing Upstream by streamer is 50% more than downstream time by steamer and the time required by boat to cross same river by boat in upstream is 50% more than time required by in downstream. What is the time taken for the man to cross the river downstream by steamer and then return to same place by boat half the way and by steamer the rest of the way?

  • 1] 85 minutes
  • 2] 115 minutes
  • 3] 120 minutes
  • 4] 125 minutes
  • 5] None of these
Solution
8
Discuss

A starts 3 Minutes after B for a place 4.5 km distant. B, on reaching his destination, immediately returns and after walking a km meets A. If A can walk 1 Km in 18 minutes,then what is B's speed?

  • 1] 4 km/h
  • 2] 6 km/h
  • 3] 7 km/h
  • 4] 5 km/h
Solution
9
Discuss

A is 10 miles west of B. C is 30 miles north of B. D is 20 miles east of C. What is the distance from A to D ?

  • 1]

    10 miles

  • 2]

    30 miles

  • 3]

    \(10\sqrt {10}  \) miles

  • 4]

    \(10\sqrt {13}  \) miles

  • 5]

    \(30\sqrt {2}  \) miles

Solution
10
Discuss

Two joggers left Delhi for Noida simultaneously. The first jogger stopped 42 min later when he was 1 km short of Noida and the other one stopped 52 min later when he was 2 km short of Noida. If the first jogger jogged as many kilometers as the second, and the second as kilometers as first, the first one would need 17 min less than the second. Find the distance between Delhi and Noida?

  • 1] 5 km
  • 2] 15 km
  • 3] 25 km
  • 4] 35 km
  • 5] 24 km
Solution
# Quiz