Quiz Discussion

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:

Course Name: Quantitative Aptitude

  • 1] 35.55 km/hr
  • 2] 36 km/hr
  • 3] 71.11 km/hr
  • 4] 71 km/hr
Solution
No Solution Present Yet

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# Quiz
1
Discuss

Two trains start from the same point simultaneously and in the same direction. The first train travels at 40 km /h, and the speed of the second train is 25% more than the speed of first train. Thirty minutes later, a third train starts from same point and in the same direction. It over takes the second train 90 minutes later than it overtook the first train. What is the speed of the third train?

  • 1] 20 km/h
  • 2] 40 km/h
  • 3] 60 km/h
  • 4] 50 km/h
  • 5] 80 km/h
Solution
2
Discuss

In a 100m race, Kamal defeats Bimal by 5 seconds. If the speed of Kamal is 18 kmph, then the speed of Bimal is:

  • 1] 15.4 kmph
  • 2] 14.5 kmph
  • 3] 14.4 kmph
  • 4] 14 kmph
Solution
3
Discuss

Between 5 am and 5 pm of a particular day for how many times are the minute and the hour hands together?

  • 1] 11
  • 2] 22
  • 3] 33
  • 4] 44
Solution
4
Discuss

The driver of an ambulance sees a school bus 40 m ahead of him after 20 seconds, the school bus is 60 meter behind. If the speed of the ambulance is 30 km/h, what is the speed of the school bus?

  • 1] 10 kmph
  • 2] 12 kmph
  • 3] 15 kmph
  • 4] 22 kmph
Solution
5
Discuss

The speed \(3\frac{1}{3}\) m/sec when expressed in km/hr becomes :

 

  • 1] 8 km/hr
  • 2] 9 km/hr
  • 3] 10 km/hr
  • 4] 12 km/hr
Solution
6
Discuss

A and B start from the same point and in the same direction at 7 am to walk around a rectangular field 400 m × 300 m. A and B walk at the rate of 3 km/hr and 2.5 km/hr respectively. How many times shall they cross each other if they continue to walk till 12.30 pm ?

  • 1] Not even once
  • 2] Once
  • 3] Twice
  • 4] Thrice
Solution
7
Discuss

Two cars are moving with speed v1, v2 towards a crossing along two roads, If their distance from the crossing be 40 metres and 50 metres at an instant of time then they do not collide if their speeds are such that :

  • 1]

    v1 : v2 =16 : 25

  • 2]

    v1 : v2 e 4 : 5

  • 3]

    v1 : v2 e 5 : 4

  • 4]

    v1 : v2 e 25 : 16

Solution
8
Discuss

Karan and Arjun run a 100 metre race, where Karan beats Arjun by 10 metre. To do a favour to Arjun, Karan starts 10 metre behind the starting line in a second 100 race. They both run at their earlier speeds. Which of the following is true in connection with the race?

  • 1] Karan and Arjun reach the finishing line simultaneously
  • 2] Arjun beats Karan by 1 metre
  • 3] Arjun beats Karan by 11 metre
  • 4] Karan beats Arjun by 1 metre
  • 5] Cannot be said
Solution
9
Discuss

A 6 × 6 grid is cut from an 8 × 8 chessboard. In how many ways can we put two identical coins, one on the black square and one on a white square on the grid, such that they are not placed in the same row or in the same column?

  • 1] 216 ways
  • 2] 324 ways
  • 3] 144 ways
  • 4] 108 ways
Solution
10
Discuss

A person travels three equal distance at a speed of x km/hr, y km/hr and z km/hr respectively. What is the average speed for the whole journey ?

  • 1]

    \(\frac{{xyz}}{{3\left( {xy + yz + zx} \right)}}\)    km/hr

  • 2]

    \(\frac{{xyz}}{{\left( {xy + yz + zx} \right)}}\)    km/hr

  • 3]

    \(\frac{{\left( {xy + yz + zx} \right)}}{{xyz}}\)    km/hr

  • 4]

    \(\frac{{3xyz}}{{\left( {xy + yz + zx} \right)}}\)    km/hr

Solution
# Quiz