The minimum price at which I was willing to sell my old TV was Rs 37,000. I quoted Rs 50,000 while selling it, but it sold for Rs 42,000. This transaction generated _____.
If the lengths of the two parallel sides of a trapezium are 8 cm and 10 cm and its area is 54 cm². Find the distance between its parallel sides (in cm).
PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ∠QSR = 30°, then what is the value (in degrees)of POR?