SSC CGL – Combined Graduate Level Examination · प्रश्न 72
A garden is circular with a border 3 m wide around it. The garden area alone is 379.94 m². What is the radius of the garden?
उत्तर देखें और व्याख्या
उत्तर: (B) 11 m
व्याख्या
πr² = 379.94 gives r² ≈ 121, so r = 11 m. (The stated total including the border is inconsistent, but the garden area fixes r.)