Quiz Discussion

A ship leaves on a long voyage. When it is 18 miles from shore, a sea plane, whose speed is ten times that of the ship, is sent to deliver mail. How far from the shore does the sea plane catch up with the ship?

Course Name: Quantitative Aptitude

  • 1] 24 miles
  • 2] 25 miles
  • 3] 22 miles
  • 4] 20 miles
  • 5] None of these
Solution
No Solution Present Yet

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# Quiz
1
Discuss

An athlete claimed that his timing for a 100 m dash should be corrected because the starting signal was gives by a gun fired from a point 10 m away from him and the timekeeper was standing close to the gun. The error due to this could be (in seconds) :

  • 1] 0.03 sec
  • 2] 0.1 sec
  • 3] 0.5 sec
  • 4] 0.7 sec
Solution
2
Discuss

Two guns were fired from the same place at an interval of 8 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearing of the sound of the two guns. If the velocity of the sound is 330 m/sec, the man was approaching the place at what speed (in km/hr) ?

  • 1] 24 km/hr
  • 2] 27 km/hr
  • 3] 30 km/hr
  • 4] 36 km/hr
Solution
3
Discuss

A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 6 minutes ?

  • 1] 100 m
  • 2] 150 m
  • 3] 190 m
  • 4] 200 m
Solution
4
Discuss

A racetrack is in the form of a right triangle. The longer of the legs of track is 2 km more than the shorter of the legs (both these legs being on a highway). The start and end points are also connected to each other through a side road. The escort vehicle for the race took the side road and rode with a speed of 30 km/h and then covered the two intervals along the highway during the same time with a speed of 42 km/h. find the length of the race track.

  • 1] 14 km
  • 2] 10 km
  • 3] 24 km
  • 4] 36 km
  • 5] 30 km
Solution
5
Discuss

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?

  • 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
6
Discuss

Due to the technical snag in the signal system two trains start approaching each other on the same track from two different stations, 240 km away each other. When the train starts a bird also starts moving to and fro between the two trains at 60 kmph touching each train each time. The bird initially sitting on the top of the engine of one of the trains and it moves so till these trains collide. If these trains collide one and half hour after start, then how many kilometers bird travels till the time of collision of trains?

  • 1] 90 km
  • 2] 130 km
  • 3] 120 km
  • 4] 95 km
  • 5] None of these
Solution
7
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
8
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
9
Discuss

A man walking at the rate of 5 km/hr crosses a bridge in 15 min. The length of the bridge (in metres) is :

  • 1] 600 metres
  • 2] 750 metres
  • 3] 1000 metres
  • 4] 1250 metres
Solution
10
Discuss

In a flight of 6000 km, an aircraft was slowed down due to bad weather. The average speed for the trip was reduced by 400 kmph and the time of flight increased by 30 minutes. The original planned duration of the flight was :

  • 1]

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

  • 2]

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

  • 3]

    \({4\frac{1}{3}}\) hours

  • 4]

    \({5\frac{1}{3}}\) hours

Solution
# Quiz