Multiple Choice Questions

If the curved surface area of a closed cylinder is 225 cm2 and the area of its base is 169 cm2 then ...........

Quantitative Aptitude (CHSL) Mensuration 2D

If the curved surface area of a closed cylinder is 225 cm² and the area of its base is 169 cm², then find the total surface area

of the cylinder.

This questions was previously asked in

SSC CHSL 9th June 2022 Shift-1

394 cm2

343 cm2

563 cm2

195 cm2

- The curved surface area (CSA) of a cylinder is given as 225 cm².

- The area of the base of the cylinder is given as 169 cm².

- The total surface area (TSA) of a closed cylinder can be calculated as the sum of the CSA and twice the base area.

- TSA = CSA + 2 × base area.

- Plug the given values: TSA = 225 cm² + 2 × 169 cm².

- TSA = 225 cm² + 338 cm².

- TSA = 563 cm².

- Option 1: 394 cm² ? Incorrect

- Option 2: 343 cm² ? Incorrect

- Option 3: 563 cm² ? Correct

- Option 4: 195 cm² ? Incorrect

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