railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Plane Figures
A race track is in the shape of a ring whose inner and outer circumferences are 440 m and 506 m, respectively. What is the cost of levelling the track at Rs 6/m2?(take π = 22/7)
1
Rs. 29,799
2
Rs. 19,866
3
Rs. 18,966
4
Rs. 24,832