TCS Company Numerical Ability Co-ordinate geometry

. Given 3 lines in the plane such that the points of intersection form a triangle with sides of length 20, 20 and 30, the number of points equidistant from all the 3 lines is...

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1 that is incentre of isocles triangle
9 years agoHelpfull: Yes(5) No(2)

Can u explain clearly
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1*1!+2*2!+3*3!................2012*2012!= ? Hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely3. A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one direction and the. The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hare increase its speed so as to tie the race?