state gov UP Police ASI Mock Test 2023 - 24 Quantitative Aptitude Mensuration Solid Figures

If R and r denote the external and internal radii of a hollow right circular cylinder respectively and h is the height, then the total surface area becomes

1
2π(R+r)(R+h-r)
2
2π(R+r)(R+h)
3
2π(R+r)
4
10π(R+r)
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