Multiple choice question II — task. Mathematics State Board, Class 9.

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1. The total surface area of a cuboid with dimension \(10 \ cm\) \(\times\) \(6 \ cm\) \(\times\) \(5 \ cm\) is:

\(280 \ cm^2\)
\(600 \ cm^2\)
\(300 \ cm^2\)
\(360 \ cm^2\)

2. If the ratio of the sides of two cubes are \(2:3\), then ratio of their surface areas will be:

\(4:6\)
\(4:9\)
\(16:36\)
\(6:9\)

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