Question 5 - Page 132 - Parity of Expressions - Chapter 6 Class 7 - Number Play - Ganita Prakash

Last updated at August 14, 2026 by

Are there expressions using which we can list all odd numbers? - Parity of Expressions

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Question 5 - Page 132 Are there expressions using which we can list all odd numbers? Odd numbers are 1, 3, 5, 7, 9, …. Even numbers are 2, 4, 6, 8, 10, …. Thus, we can just subtract 1 from all even numbers to get odd numbers So, we can write expression for odd numbers 2n – 1 where n = 1, 2, 3, 4,..

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