Quiz Discussion

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 :

Course Name: Quantitative Aptitude

  • 1] 2 minutes
  • 2] 3 minutes
  • 3] 6 minutes
  • 4] 10 minutes
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A plan left 40 minutes late due to bad whether and order to reach its destination 1600 km away in time, it had increase its speed by 400 kmph from its usual speed. Find the usual speed of the plane?

  • 1] 600 km/hour
  • 2] 400 km/hour
  • 3] 1000 km/hour
  • 4] 800 km/hour
Solution
2
Discuss

Ashok left from place A for place B at 8 am and Rahul left place B for place A at 10.00 am the distance between place A and B is 637 km. If Ashok and Rahul are travelling at a uniform speed of 39 kmph and 47 kmph respectively, at what time will they meet ?

  • 1] 5.30 pm
  • 2] 4.30 pm
  • 3] 5 pm
  • 4] 4 pm
Solution
3
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
4
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
5
Discuss

Two cars start simultaneously from cities A and B, towards B and A respectively, on the same route. Once the two cars reach their destinations they turned around and move towards the other city without any loss of time. The two cars continue shuttling in this manner for exactly 20 hours. If the speed of the car starting from A is 60km/hr and the speed of the car starting from B is 40km/hr and the distance between the two cities is 120 km, find the number of times the two cars cross each other?

  • 1] 8
  • 2] 10
  • 3] 12
  • 4] 20
  • 5] Can't be determined
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

The speeds of three cars are the ratio 2 : 3 : 4. The ratio of the taken by these cars to travel the same distance is :

  • 1] 2 : 3 : 4
  • 2] 4 : 3 : 2
  • 3] 4 : 3 : 6
  • 4] 6 : 4 : 3
Solution
8
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
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

The speed of a bus is 72 kmph. The distance covered by the bus in 5 sec is :

  • 1] 50 metres
  • 2] 74.5 metres
  • 3] 100 metres
  • 4] 60 metres
Solution
# Quiz