SSC MTS 5 Aug 2019 Shift 2 Paper

Tips & Tricks
Total surface area of hemisphere = $3\mathrm{\pi }{\mathrm{r}}^2$
⇒ Total surface area of hemisphere = 3 × (22/7) × (35/2) × (35/2) = 2887.5 cm${}^2$
∴ Total surface area of hemisphere is 2887.5 cm${}^2$.