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Walking at 3/5 of his usual speed , a person reaches his office 20 minutes later than the usual time. His usual time in minutes is :
अपनी सामान्य चाल की तुलना में 3/5 चाल से चलते हुए, एक व्यक्ति सामान्य समय से 20 मिनट देरी से कार्यालय पहुँचता है | उसका सामान्य समय (मिनट में ) क्या है ?

A

25

B

30

C

20

D

40

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Walking (5)/(7) of his usual speed, a person reaches his office 10 minutes later than the usual time. His usual time in minutes is :

Walking at 7/9 of his usual speed, a person reaches his office 10 minutes later than the usual time. His usual time in minutes is: अपनी सामान्य चाल की तुलना में 7/9 चाल से चलते हुए एक व्यक्ति कार्यालय सामान्य समय से 10 मिनट की देरी से पहँचता है | उसका सामान्य समय ( मिनट में ) है -

By walking at 4/3 of his usual speed, a man reaches his office 25 min earlier than usual. What is his usual time is?

PINNACLE-SPEED AND DISTANCE-EXERCISE
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  2. A train without stoppage travels with an average speed of 80 km/h and ...

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  3. Walking at 3/5 of his usual speed , a person reaches his office 20 min...

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  4. Walking 5/7 of his usual speed, a person reaches his office 10 minutes...

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  5. Walking at 7/9 of his usual speed, a person reaches his office 10 minu...

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  6. The ratio of speeds of A and B is 3:5. If A takes 24 minutes more than...

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  7. A train covers a certain distance in 45 minutes. If its speed is reduc...

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  8. A train covers 360 km at a uniform speed. If the speed had been 10 km/...

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  9. A train covers 60 km at a uniform speed. If the speed had been 8 km/h ...

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  10. A car covers 25 km at a uniform speed. If the speed had been 8 km/h mo...

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  11. The ratio between the speeds of two trains is 2 : 5. If the first trai...

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  12. The ratio between the speeds of two trains is 2 : 5. If the first trai...

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  13. The ratio between the speeds of two trains is 2 : 5. If the first trai...

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  14. The ratio between the speeds of two trains is 2 : 5. If the first trai...

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  15. If I travel by bus, I reach my office 15 min late, and if I travel by ...

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  16. A boy standing by the side of a railway track that an Up train crosses...

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  17. Given that the lengths of the paths of a ball thrown with different sp...

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  18. A train travels at a speed of 76 km/hr. If it crosses a pole in 36 sec...

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  19. If an airplane covers a distance of 980 km in 35 minutes, then what ti...

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  20. If a train runs with the speed of 48 km/hr, it reaches its destination...

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