If price of an article decreases from Rs 800 to Rs 700, quantity demanded increases from Q1 units to 70 units. If point elasticity of demand is -1.333 find Q1?
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?
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 _____.