state gov DDA Junior Secretariat Assistant (JSA) Mock Test 2023 Quantitative Aptitude Mensuration Plane Figures
The inner and outer radii of two concentric circles are 6.7 cm and 9.5 cm, respectively. What is the difference between their circumferences (in cm) ? Take π = 22/7
1
10.4
2
6.5
3
17.6
4
20.5