1 Lines and Angles
Angle between the lines 6 + x = 0 and 3 – y = 0 will be
(1) 0° (2) 90° (3) 180° (4) 60°
Option: 2
Solution :
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2 Lines and Angles
There are four lines in a plane no two of which are parallel. The maximum number of points in which they can intersect is:
(1) 4 (2) 5 (3) 6 (4) 7
Option: 3
