railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Plane Figures
The ratio of the outer and the inner circumference of a circular path is 5 ∶ 4. If path is 50 metres wide, then what is the radius of the inner circle?
1
250 metres
2
300 metres
3
200 metres
4
210 metres