SSC CGL – Combined Graduate Level Examination · ప్రశ్న 70
A circular park with 8 m diameter is surrounded by a 0.5 m wide path. What is the percentage increase in area?
సమాధానం చూపించు & వివరణ
సమాధానం: (C) 26.56%
వివరణ
(4.5² − 4²)/4² = 4.25/16 = 26.56%.