SSC CGL – Combined Graduate Level Examination · પ્રશ્ન 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?
જવાબ બતાવો અને સમજૂતી
જવાબ: (A) 245 m²
સમજૂતી
Areas go as 16 : 49: 80 × 49/16 = 245 m².