मराठी

Statement (1): Each side of a cuboid is doubled, its total surface area is also doubled. Statement (2): The surface area of the resulting cuboid is 2 × 2 × 2 times the original area.

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प्रश्न

Statement (1): Each side of a cuboid is doubled, its total surface area is also doubled.

Statement (2): The surface area of the resulting cuboid is 2 × 2 × 2 times the original area.

पर्याय

  • Both the statements are true.

  • Both the statements are false.

  • Statement 1 is true, and statement 2 is false.

  • Statement 1 is false, and statement 2 is true.

MCQ
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उत्तर

Both the statements are false.

Explanation:

When each side of a cuboid is doubled, its surface area scales by a factor of 22 = 4 (not doubled as stated in Statement 1, and not 23 = 8 times as stated in Statement 2 which applies to volume). Therefore, both statements are false.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 20: Solids [Surface Area and Volume of 3-D Solids] - TEST YOURSELF [पृष्ठ ३०४]

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सेलिना Concise Mathematics [English] Class 9 ICSE
पाठ 20 Solids [Surface Area and Volume of 3-D Solids]
TEST YOURSELF | Q 1. (f) | पृष्ठ ३०४
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