Understanding Quadrilaterals & Practical Geometry

Two adjacent angles of a parallelogram are in the ratio 1:5. Then all
the angles of the parallelogram are
(a) 30°, 150°, 30°, 150° (b) 85°, 95°, 85°, 95°
(c) 45°, 135°, 45°, 135° (d) 30°, 180°, 30°, 180°