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A car covers the first 39 kms of its ...

A car covers the first 39 kms of its journey I 45 minutes and covers the remaining 25 km in 3 minutes. What is the average speed of the car? `40\ k m//h r` b. `48\ k m//h r` c. `49\ k m//h r` d. `64\ k m//h r` e. none of these

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RS AGGARWAL-TIME AND DISTANCE-All Questions
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  2. A motorist travels to a place 150 km away at an average speed of 50...

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  3. A car covers the first 39 kms of its journey I 45 minutes and cover...

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  4. A train travels at a speed of 30 km/hr for 12 minutes and at a spee...

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  5. A man on tour travels 160 k m by car at 64 k m//h r and another ...

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  6. A boy rides his bicycle 10 km at an average speed c: 12 km/hr and a...

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  7. A man travels 600 km by train at 80 km/hr, 800 km by ship at 40 km/...

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  8. A cyclist rides 24 km at 16 kmph and further 36 km at 15 kmph. Find...

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  9. A person travels three equal distances at a speed of x km/hr, y ...

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  10. A car travels the first one-third of a certain distance with a spee...

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  11. A motorist covers a distance of 39 km in 45 minutes by moving at a ...

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  12. A family planning a weekend trip decides to spend no more than a to...

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  13. A car travelling with 5/7 of its actual sped covers 42 km in 1 h...

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  14. A train running at 7/(11) of its own speed reached a lace in 22 ...

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  15. A man can reach a certain place in 30 hours. If the reduces his spe...

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  16. Walking 6/7t h of his usual speed a man is 12 minutes too late. ...

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  17. The average speed of a tram is 20% less on the return journey than ...

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  18. A train increases Its normal speed by 12.5% and reaches its destina...

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  19. A student walks from his house at a speed of 2 1/2 km per hour a...

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  20. With an average speed of 50 km/hr, a train reaches its destination ...

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