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Einstein walk in an escalator at a rate ...

Einstein walk in an escalator at a rate of 5 steps per second and reaches the other end in 10 seconds. While coming back, walking at the same speed he reaches the starting point in 40 seconds. What is the number of steps on the escalator?

A

40

B

60

C

120

D

80

Text Solution

Verified by Experts

The correct Answer is:
D
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ARIHANT SSC-TIME, SPEED AND DISTANCE-EXERCISE LEVEL 2
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  10. Arjun and sri - krishna go by chariot from mathura to kurukshetra whic...

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  11. Priyanka , Akshay and salman started out on a journey to watch the new...

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  12. Ajai and Kajol start towards each other at the same time from Barabank...

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  13. Ajai and Kajol start towards each other at the same time from Barabank...

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  14. Raghupati goes at a speed of 60 km/h. Raghav goes at a speed of 36 km/...

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  15. Raghupati goes at a speed of 60 km/h. Raghav goes at a speed of 36 km/...

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  16. Raghupati goes at a speed of 60 km/h. Raghav goes at a speed of 36 km/...

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  17. Mohan Namita and Pranav travel from Shantipur to Hulchulpur. They have...

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  18. Mohan Namita and Pranav travel from Shantipur to Hulchulpur. They have...

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  19. While walking down on the pavements of New York city. I notice that ev...

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  20. Abhinav and Brijesh start from Allahabad and Barabanki respectively wi...

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