Case-I (At Right Angle) Case-II (At Acute Angle) Case-III (At ObtuseAngle)
a2 = b2 + c2 a2 < b2 + c2 a2 > b2 + c2
The possible quant-comparison Q’s for GRE:
Each question from Q1 to Q5 consists of two quantities, one in column A and one in column B.
Column A Column B
Q6) In the adjacent figure , what is the length of segment BC?
(1) x = 900
(2)The perimeter of △ABC is 40.
AB2 = OA2 + OB2 = 122 + 52
= 144 + 25 = 169
=>AB = 13
Q8) The length and width of a rectangle measure 24 and 18 units respectively.