railway RPF SI Mock Test Series 2024 Quantitative Aptitude Mensuration Solid Figures

An aquarium is in the form of a cuboid whose external measures are 80 cm × 30 cm × 40 cm. The base, side faces and back face are to be covered with the coloured paper. What is the area of paper needed?

1

4000 cm²

2

5000 cm²

3

8000 cm²

4

3000 cm²

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