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A man completes a journey in 10 hours. H...

A man completes a journey in 10 hours. He travels first half of the journey at the rate of 21 `"km"//"hr"` and second half at the rate of 24 `"km"//"hr"`. Find the total journey in km.

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The correct Answer is:
224 km
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MAHENDRA-SPEED, TIME AND DISTANCE-EXERCISE
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  2. A man walking at the rate of 5km/hr. crosses a bridge in 15 minutes. T...

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  4. One of the two buses completes a journey of 300 km in 7 1/2 hours and ...

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  5. A truck covers a distance of 550 metres in 1 minute whereas a bus cove...

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  6. A train travels at an average speed of 50 miles per hour. It travels f...

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  7. A man in train notices that he can count 21 telephone posts in one min...

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  8. Sound is said to travel in air at about 1100 feet per second. A man he...

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  9. An express train travelled at an average speed of 100 "km"//"hr", stop...

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  10. The speed of a car increases by 2km/h after every one hour. If the dis...

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  11. A train covers a distance of 10 km in 12 minutes. If its speed is decr...

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  12. A is faster than B. A and B each walk 24km. The sum of their speeds i...

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  13. A person travels from P to Q at a speed of 40 kmph and returns by incr...

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  14. Mac travels from A to B a distance of 250 miles in 5 1/2 hours. He ret...

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  15. A boy goes to his school from his house at a speed of 3 "km"//"hr" and...

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  16. The average speed of a train in the onward journey is 25 % more than t...

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  17. I started on my bicycle at 7 a.m. to reach a certain place. After goin...

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  18. A, B and C are on a trip by car. A drives during the first hour at an ...

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  19. A boy rides his bicycle 10 km at an average speed of 12 "km"//"hr" and...

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  20. A person travels 600km by train at 80 km/hr, 800km by ship at 40km/hr ...

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  21. A car travels the first one-third of a certain distance with a speed o...

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