Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 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
No Solution Present Yet

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# Quiz
1
Discuss

One third of a certain journey is covered at the rate of 25 km/hr, one forth at the rate of 30 km/hr and the rest at 50 km/hr. The average speed for the whole journey is :

  • 1]

    35 km/hr

  • 2]

    \(33\frac{1}{3}\) km/hr

  • 3]

    30 km/hr

  • 4]

    \(37\frac{1}{12}\) km/hr

Solution
2
Discuss

A person can row \(7\frac{1}{2}\) km an hour in still water. Finds that it takes twice the time to row upstream than the time to row downstream. The speed of the stream is:

 

  • 1] 2 kmph
  • 2] 2.5 kmph
  • 3] 3 kmph
  • 4] 4 kmph
Solution
3
Discuss

A and B run a kilometre and A wins by 25 sec. A and C run a kilometre and A wins by 275 m. When B and C run the same distance, B wins by 30 sec. The time taken by A to run a kilometre is :

  • 1] 2 min 25 sec
  • 2] 2 min 50 sec
  • 3] 3 min 20 sec
  • 4] 3 min 30 sec
Solution
4
Discuss

A train leaves Delhi at 4.1 pm and reaches Aligargh at 7.25 pm. The average speed of the train is 40 km/hr. What is the distance from Delhi to Aligarh ?

  • 1] 120 km
  • 2] 130 km
  • 3] 135 km
  • 4] 140 km
Solution
5
Discuss

Two trains start simultaneously from two stations Howrah and Delhi, respectively towards each other on the same track. The distance between the two stations is 560 km and the speeds of trains are 30 kmph and 40 kmph.

  • 1] 70 km
  • 2] 560 km
  • 3] 640 km
  • 4] 650 km
  • 5] None of these
Solution
6
Discuss

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is :

  • 1] 100 kmph
  • 2] 110 kmph
  • 3] 120 kmph
  • 4] 130 kmph
Solution
7
Discuss

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 ?

 

  • 1]

    4 km

  • 2]

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

  • 3]

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

  • 4]

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

Solution
8
Discuss

An athlete runs 200 meters race in 24 seconds. His speed in km/h is

  • 1] 20
  • 2] 24
  • 3] 28.5
  • 4] 30
Solution
9
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
10
Discuss

A man can row 15 km/h in still water and he finds that it takes him twice as much time to row up than as to row down the same distance in the river. The speed of current (in km/h) :

  • 1] 6 km/h
  • 2] 6.5 km/h
  • 3] 4.5 km/h
  • 4] 5 km/h
Solution
# Quiz