SSC CGL – Combined Graduate Level Examination · வினா 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?
விடையைக் காட்டு & விளக்கம்
விடை: (B) 11 m
விளக்கம்
πr² = 379.94 gives r² ≈ 121, so r = 11 m. (The stated total including the border is inconsistent, but the garden area fixes r.)