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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 1 · Q20
Assertion (A): Two cubes each of edge length 10 cm are joined together. The total surface area of newly formed cuboid is 1200 cm^2. Reason (R): Area…
Assertion (A): Two cubes each of edge length $\displaystyle 10$ cm are joined together. The total surface area of newly formed cuboid is $\displaystyle 1200 \mathrm{~cm}^{2}$.
Reason (R) : Area of each surface of a cube of side $\displaystyle 10$ cm is $\displaystyle 100 \mathrm{~cm}^{2}$.
Official answer
(D)
Assertion (A) is not true but Reason (R) is true.
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CBSE Class 10 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.