6th Class
Mathematics
Sample Paper
Maths Olympiad Model Test Paper-10
question_answer
Given three circles are concentric whose common centre is O. if diameter RS = 84 cm and diameters PQ = \[\frac{1}{2}\] RS; AB = \[\frac{1}{4}\]RS; then find the area of shaded portion (use\[\pi \]=\[\frac{22}{7}\]).