A boy goes to his school form his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming, the distance between his house and school is:

1.  5 km

2.  5.5 km

3.  6 km

4.  6.5 km

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4
Correct Answer :

6 km


Explanation :
No Explanation available for this question

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

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4
Correct Answer :

56.25 km/hr


Explanation :
No Explanation available for this question

I started on my bicycle at 7 a.m. to reach a certain place. After going a certain distance, my bicycle went out of order. Consequently, I rested for 35 minutes and came back to my house walking all the way. I reached my house at 1 p.m. If my cycling speed is 10 kmph and my walking speed is 1 kmph, then on my bicycle I covered a distance of :

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

A, B and C are on a trip by a car. A drives during the first hour at an average speed of 50 km/hr. B drives during the next 2 hours at an average speed of 48 km/hr. C drives for the next 3 hours at an average speed of 52 km/hr. They reached their destination after exactly 6 hours. Their mean speed was:

1.  50 km/hr

2.  

3.  

4.  52 km/hr

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4
Correct Answer :


Explanation :
No Explanation available for this question

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:

1.  35.55 km/hr

2.  36 km/hr

3.  71.11 km/hr

4.  71 km/hr

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4
Correct Answer :

71.11 km/hr


Explanation :
No Explanation available for this question

A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at a average speed of 10 km/hr. His average speed for the entire trip is approximately:

1.  10.4 km/hr

2.  10.8 km/hr

3.  11 km/hr

4.  12.2 km/hr

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4
Correct Answer :

10.8 km/hr


Explanation :
No Explanation available for this question

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.  60 km/hr

2.  

3.  62 km/hr

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next one-third distance with a speed of 20 km/hr, and the last one-third distance with a speed of 60 km/hr. The average speed of the car for the whole journey is:

1.  18 km/hr

2.  24 km/hr

3.  30 km/hr

4.  36 km/hr

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4
Correct Answer :

18 km/hr


Explanation :
No Explanation available for this question

A motorist covers a distance of 39 km in 45 minutes by moving at a speed of x kmph for the first 15 minutes, then moving at double the speed for the next 20 minutes and then again moving at his original speed for the rest of the journey. Then, x is equal to :

1.  31.2

2.  36

3.  40

4.  52

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4
Correct Answer :

52


Explanation :
No Explanation available for this question

A car travelling with 5/7 of its actual speed covers 42 km in 1hr 40 min 48 sec. Find the actual speed of the car.

1.  

2.  25 km/hr

3.  30 km/hr

4.  35 km/hr

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4
Correct Answer :

35 km/hr


Explanation :
No Explanation available for this question
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