state gov UPPCL Assistant Accountant 2022 - 23 Mock Test Quantitative Aptitude Mensuration Solid Figures
The slant height of a frustum of a cone is 3 cm and the perimeters of its circular ends are 20 cm and 16 cm. Find the curved surface area of the frustum.
1
32 cm2
2
54 cm2
3
42 cm2
4
33 cm2