Question 4 - Page 132 - Parity of Expressions - Chapter 6 Class 7 - Number Play - Ganita Prakash
Last updated at October 16, 2025 by Teachoo
Parity of Expressions
Parity of Expressions
Last updated at October 16, 2025 by Teachoo
Transcript
Question 4 - Page 132 The expression 6k + 2 evaluates to 8, 14, 20,... (for k = 1, 2, 3,...) — many even numbers are missing. Are there expressions using which we can list all the even numbers? Hint: All even numbers have a factor 2. Even numbers are 2, 4, 6, 8, 10, …. We note that all numbers are in table of 2 So, we can write expression for even numbers 2n where n = 1, 2, 3, 4,..