Q1. The ratio of two complementary angle is 1 : 5. What is the difference between the two angles?
(a) 60°
(b) 90°
(c) 120°
(d) Cannot be determined the given data
Q2. A, O, B, are three points on a line segment and C is a point not lying on AOB. If angle AOC = 40° and OX, OY are the internal and external bisectors of angle AOC and angle BOC respectively, then angle BOY is:
(a) 70°
(b) 80°
(c) 72°
(d) 68°