engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Mensuration Solid Figures
If the ratio of the curved surface area and volume of a right circular cylinder is 5 ∶ 7, then its radius is:
1
2.6 unit
2
2.8 unit
3
3.8 unit
4
3.2 unit
5
None of these