TCS Company Numerical Ability Geometry

we know that the vertices of quadrilateral A,B,C,D are 2,5,6,3 cms respectively from a point p
what is the largest possible area in sq.cms of ABCD
a)16 b)48 c)32 d)24

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TCS Other Question

29.the number 2^32 -1 has several divisors greater than 1 and less than 100.the sum of these divisors is clue:2^2n+1 is a prime for n=1,2,3,4 a)172 b)125 c)91 d)176
.in a certain tournament certain rules are followed: any player is eliminated the moment he losses for the third time (irrespective of how many wins he has), any player can play another player any number of times. If 512 contestants enter the tournament what is the largest number of games that could be played? A)1535 b)1533 c)1536 d)1534