Two women A and B start their morning run from the same point. A runs 3 km North, then turns West and runs 2 km, then turns to her right and runs 5.5km. B runs 4 km West then turns to her right and runs 8.5 km. Where is B with respect to A now?
If price of an article decreases from Rs 100 to Rs 80, when quantity demanded increases from Q1 units to 4600 units, and if point elasticity of demand is 0.75 find Q1?