Quiz Discussion

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

Course Name: Java

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

A man travels 50 km at speed 25 km/hr and next 40 km at 20 km/hr and there after travel 90 km at 15 km/hr. His average speed is :

  • 1] 18 km/hr
  • 2] 25 km/hr
  • 3] 20 km/hr
  • 4] 15 km/hr
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

An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in \(1\frac{2}{3}\) hours, it must travel at a speed of :

 

  • 1] 300 kmph
  • 2] 360 kmph
  • 3] 600 kmph
  • 4] 720 kmph
Solution
4
Discuss

A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in:

  • 1] 18 minutes
  • 2] 24 minutes
  • 3] 16 minutes
  • 4] 12 minutes
Solution
5
Discuss

A man goes downstream with a boat to some destination and returns upstream to his original place in 5 hours. If the speed of the boat in still water and the stream are 10 kmph and 4 kmph respectively, the distance of the destination from the starting place is:

  • 1] 16 km
  • 2] 18 km
  • 3] 21 km
  • 4] 25 km
Solution
6
Discuss

The distance between two cities A and B is 330 km. A train starts from A at 8 am and travels towards B at 60 km/hr. Another train starts from B at 9 am and travels towards A at 75 km/hr. At what time do they meet ?

  • 1] 10.00 am
  • 2] 10.30 am
  • 3] 11.00 am
  • 4] 11.30 am
Solution
7
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
8
Discuss

A man travels 600 km by train at 80 km/hr, 800 km by ship at 40 km/hr, 500 km by aeroplane at 400 km/hr and 100 km by car at 50 km/hr. What is the average speed for the entire distance :

  • 1]

    \({ \text{60 km/hr}}\)

  • 2]

    \(60\frac{5}{123}{ \text{ km/hr}}\)

  • 3]

    \({ \text{62 km/hr}}\)

  • 4]

    \(65\frac{5}{123}{ \text{ km/hr}}\)

Solution
9
Discuss

A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is :

  • 1]

    35 km

  • 2]

    \(36\frac{2}{3}\) km

  • 3]

    \(37\frac{1}{2}\) km

  • 4]

    40 km

Solution
10
Discuss

A man walk a certain distance and rides back in 4 hours 30 minutes. He could ride both ways in 3 hours. The time required by the man to walk both ways is :

  • 1] 4 hours 30 minutes
  • 2] 4 hours 45 minutes
  • 3] 5 hours
  • 4] 6 hours
Solution
# Quiz