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A blind person after walking 10 steps in...

A blind person after walking 10 steps in one direction, each oflength 80 cm, turns randomly to the left or to right by `90^(@)`. After walking a total of 40 steps,the maximum displacement of the person from its starting point can be :

A

zero

B

`8sqrt(2)m`

C

`16sqrt(2)m`

D

32 m

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The correct Answer is:
C
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A blind person after walking each 10 steps in one direction,each of length 80cm, turns randomly the left or to right by 90^(@). After walking a total of 40 steps the maximum possible displacement the person from his starting position could be (A) 320(B) 32m (C) (16)/(sqrt(2))m(D)16sqrt(2)m

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