Latest Patni Aptitude Question SOLUTION: Recently, I decided to walk down an escalator of a tube station. I did some quick calculation in my mind. I found that if I walk down twenty " six steps, I require thirty seconds t

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Recently, I decided to walk down an escalator of a tube station. I did some quick calculation in my mind. I found that if I walk down twenty " six steps, I require thirty seconds to reach the bottom. However, if I am able to step down thirty " four stairs, I would only require eighteen seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time I step off the last step at the bottom, can you

Asked In Patni (13 years ago)

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Shiv Kumar  (13 years ago)

26 steps 30 seconds and for 34 steps only 18 seconds left to reach botto.

Means he covered 8 steps (i.e.34-26) in 12 (i.e 30-18)seconds
The spped of the boy is 8 steps in 12 seconds
after further simplyfy..2 steps in 3 seconds

After 34 steps only 18 seconds, means 12 more steps are left
Total Steps are 34+12 = 46

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aruna  (13 years ago)

46 steps in the stair way

If he walk 26 steps 30 seconds required
for 34 steps only 18 seconds
30*34-26*18/30-18=46

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swagnika bhattacharjee  (8 years ago)

d=s*t therefore s=d/t
now the distance is height H of the escalator
CASE 1: H-26/30
CASE 2: H-34/18
we have varies the distance keeping velocity constant therefore we can equate them
h-26/30 = h-34/18
h=46

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