Civil Services Chhattisgarh State Service (CGPSC) Prelims Mock Test 2025 Quantitative Aptitude Mensuration Solid Figures
The whole surface area of a pyramid whose base is a regular polygon is 260 cm2 and the area of its base is 120 cm2. The area of each lateral face is 20 cm2. Then the number of lateral faces is:
1
7
2
8
3
6
4
5