engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Mensuration Solid Figures
A cuboidal metal plate of 1 cm thickness, 9 cm breadth and 81 cm length is melted to form a cube. The total surface area of the cube is:
1
729 cm2
2
286 cm2
3
486 cm2
4
300 cm2
5
None of these