Latest Athenahealth Aptitude Question SOLUTION: A man visits a shopping mall almost every day and he walks up an up-going escalator that connects the ground and the first floor. If he walks up the escalator step by step it takes

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(#M40031827) ATHENAHEALTH Numerical Ability question Keep an EYE

A man visits a shopping mall almost every day and he walks up an up-going escalator that connects the ground and the first floor. If he walks up the escalator step by step it takes him 16 steps to reach the first floor. One day he doubles his stride length (walks up climbing two steps at a time) and it takes him 12 steps to reach the first floor.

Asked In Athenahealth Aashu (10 years ago)

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Read Solution (3) :

abbas  (10 years ago)

ans 48
Let d be the distance traveled, which remains same in both the cases. if v is the speed of the man and x is the speed of elevator, in case 1 the number of steps taken is
d/v+x=16
In case 2 it is
d/2v+x=12
because now he is traveling at double the speed; eliminating d, we get x=2v; therefore d=48v; when stationery x=0, we get no. of steps as 48v/v=48.

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kannan  (9 years ago)

the distance covered is equal in all 3 cases.
let u be the speed of escalaltor and v be of the man.
so,
(u+v)16=(u+2v)12
we get u=2v from above eqn.
now u is 0 (esc is not moving)
then ,
16 u+ 16 v=X *u (X be the steps)
16 u + 32 u = X * u;
then X=48;

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sandhya  (10 years ago)

pls can anyone giv soln

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