SSC CGL – Combined Graduate Level Examination · ప్రశ్న 54
Two concentric circles have circumferences in ratio 4:7. If the smaller circle has area 80 m², what is the approximate area of the larger circle?
సమాధానం చూపించు & వివరణ
సమాధానం: (A) 245 m²
వివరణ
Areas go as 16 : 49: 80 × 49/16 = 245 m².