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)Given three lines in the plane such that the points of intersection from a triangle with sides of length 19,19 and 19 , the number of points from all the three lines is
a)1 b)0 c)4 d)2

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TCS Other Question

A mcq question has 4 options.choosing correct option earns the student 3marks and the wrong answer incurs negetive marks so if a student choose an option randomly his expected score is zero.suppose a student has successfully eliminated two incorrect option.his expected score if he chooses randomly among the remaining option Alok, one such child, finds only bicycles and 4 wheeled wagons in his schoolyard. He counts the totalnumber of wheels to be 46. What could be the possible number of bicycles?
a.25