insurence exam LIC HFL Assistant/Assistant Manager Mock Test Series Quantitative Aptitude Mensuration Plane Figures
A circular swimming pool is surrounded by a concrete wall 4m wide. If the area of the circular concrete wall surrounding the pool is 11/25 that of the pool, then the radius (in m) of the pool∶
1
8
2
16
3
30
4
20
5
None of these