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Encircle the odd one of the following - Mathematics

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Question

Encircle the odd one of the following.

Options

  • (–1) × (–1)

  • (–1) × (–1) × (–1)

  • (–1) × (–1) × (–1) × (–1)

  • (–1) × (–1) × (–1) × (–1) × (–1) × (–1)

MCQ

Solution

(–1) × (–1) × (–1)

Explanation:

  1. (–1) × (–1) = 1
  2. (–1) × (–1) × (–1) = –1
  3. (–1) × (–1) × (–1) × (–1) = 1
  4. (–1) × (–1) × (–1) × (–1) × (–1) × (–1) = 1

∴ (–1) × (–1) × (–1) is different.

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Chapter 1: Integers - Exercise [Page 12]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 1 Integers
Exercise | Q 30 | Page 12

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