Quiz Discussion

Walking \(\frac{3}{4}\) of his normal speed, Rabi is 16 minutes late in reaching his office. The usual time is taken by him to cover the distance between his home and office:

 

Course Name: Quantitative Aptitude

  • 1] 48 min.
  • 2] 60 min.
  • 3] 42 min.
  • 4] 62 min.
  • 5] 66 min.
Solution
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# Quiz
1
Discuss

The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours, covering a distance of 800 km. The speed of the train in the onward journey is :

  • 1] 45 km/hr
  • 2] 47.5 km/hr
  • 3] 52 km/hr
  • 4] 56.25 km/hr
Solution
2
Discuss

A student goes to school at the rate of \(2\frac{1}{2}\) km/hr and reaches 6 min late. If he travels at the speed of 3 km/hr he is 10 min early. What is the distance to the school?

 

  • 1]

    4 km

  • 2]

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

  • 3]

    1 km

  • 4]

    \(3\frac{1}{2}\) km

Solution
3
Discuss

if a man increase his speed by 3km/hr,he reaches his home in 3/4th of his normal time. if he decreases his speed by 3km/h he reaches his home 2 hours late. what is the distance the man travel to reach his home​

  • 1]

    32 km

  • 2]

    34 km

  • 3]

    36 km

  • 4]

    38 km

Solution
4
Discuss

A girl while walking diametrically across a semicircular playground, takes 3 minutes less than if she had kept walking round the circular path from A to B. If she walks 60 metres a minute, what is diameter of the play ground?

  • 1] 60 m
  • 2] 48 m
  • 3] 84 m
  • 4] 315 m
  • 5] None of these
Solution
5
Discuss

A man covers a total distance of 100 km on bicycle. For the first 2 hours, the speed was 20 km/hr and for the rest of the journey, it came down to 10 km/hr. The average speed will be :

  • 1]

    \(12\frac{1}{2}\) km/hr

  • 2]

    13 km/hr

  • 3]

    \(\frac{1}{8}\) km/hr

  • 4]

    20 km/hr

Solution
6
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
7
Discuss

In a race of 1000m, A can beat B by 100m. In a 400m, B beats C by 40m. In a race of 500m. A will beat C by

  • 1] 95m
  • 2] 50m
  • 3] 45m
  • 4] 60m
Solution
8
Discuss

A 6 cm long cigarette burns up in 15 minutes if no puff is taken.For every puff, it burns three times as fast during the duration of the puff.If the cigarette burns itself in 13 minutes, then how many puffs has the smoker taken if the average puff lasted 3 seconds?

  • 1] 17
  • 2] 18
  • 3] 20
  • 4] 22
  • 5] None of these
Solution
9
Discuss

The speed of 90 km per hour is same as :

  • 1] 9 m/s
  • 2] 20 m/s
  • 3] 25 m/s
  • 4] 28 m/s
Solution
10
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
# Quiz