Quiz Discussion

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 :

Course Name: Quantitative Aptitude

  • 1] 54 km/hr
  • 2] 50 km/hr
  • 3] 52 km/hr
  • 4] 51 km/hr
Solution
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# Quiz
1
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
2
Discuss

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour ?

  • 1] 9 min
  • 2] 10 min
  • 3] 12 min
  • 4] 20 min
Solution
3
Discuss

A person wishes to reach his destination 90 km away 3 hours but for the first half of the journey his speed was 20 km/hr. His average speed for the rest of the journey should be :

  • 1] 4 km/hr
  • 2] 0.75 km/min
  • 3] 1 km/min
  • 4] None of these
Solution
4
Discuss

If Karan travels at a speed of 60 kmph and covers a distance in 9 hrs., then how much time will he take to travel the same distance at a speed of 90 kmph ?

  • 1] 8 hours
  • 2] 6 hours
  • 3] 12 hours
  • 4] 9 hours
Solution
5
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
6
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
7
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
8
Discuss

A tiger is 50 of its own leaps behinds a deer. The tiger takes 5 leaps and per minutes to the deer's 4. If the tiger and the deer cover 8 m and 5 m per leap respectively, what distance will the tiger have to run before it caches the deer?

  • 1] 600 m
  • 2] 700 m
  • 3] 800 m
  • 4] 1000 m
  • 5] None of these
Solution
9
Discuss

Two trains started at the same time, one from A to B and other from B to A. if they arrived at B and A respectively in 4 hours and 9 hours after they passed each other, the ratio of the speeds of the two trains was:

  • 1] 2 : 1
  • 2] 3 : 2
  • 3] 4 : 3
  • 4] 5 : 4
Solution
10
Discuss

Ravi and Ajay start simultaneously from a place A towards B 60 km apart. Ravi's speed is 4km/h less than that of Ajay. Ajay, after reaching B, turns back and meets Ravi at a places 12 km away from B. Ravi's speed is:

  • 1] 12 km/h
  • 2] 10 km/h
  • 3] 8 km/h
  • 4] 6 km/h
Solution
# Quiz