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A covers half of his distance with 20 km...

A covers half of his distance with 20 km/h and rest with 30 km/h. What is the average speed during the whole journey?

A

20 km/h

B

24 km/h

C

25 km/h

D

26 km/h

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Verified by Experts

The correct Answer is:
B
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ARIHANT SSC-TIME, SPEED AND DISTANCE-EXERCISE LEVEL 1
  1. A' goes 10 km distance with average speed of 6 km/h while rest 20 km h...

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  2. A covers half of his distance with 20 km/h and rest with 30 km/h. What...

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  3. A covers 1/3 rd of his journey at the speed of 10 km/h and half of the...

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  4. A covers 1/4 th of his journey at 20 km/h and 1/3 rd of the rest at 25...

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  5. A covered half of his journey at 20 km/h and rest at 60 km/h. What is ...

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  6. A man covered half of the distance at 3x km/h and rest at 5x km/h. Wha...

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  7. A person goes to his office at 1/3rd of the speed at which he returns ...

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  8. A person X starts from Lucknow and another persons Y starts from Kanpu...

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  9. In a circular race of 1200m, A and B start from the same point and at ...

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  10. Two persons A and B started from two different places towards each oth...

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  11. A person P is at X and another person Q is atY. The distance between X...

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  12. A person P is at X and another person Q is atY. The distance between X...

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  13. A person P is at X and another person Q is at Y.The distance between X...

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  14. A person P is at X and another person Q is at Y.The distance between X...

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  15. A person P is at X and another person Q is atY. The distance between X...

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  16. A person P is at X and another person Q is at Y.The distance between X...

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  17. A persons P starts his journey from A and another person Q starts his ...

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  18. A persons P starts his journey from A and another person Q starts his ...

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  19. A persons P starts his journey from A and another person Q starts his ...

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  20. The speeds of Vimal and Kamal are 30 km/h and 40 km/h. Initially Kamal...

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