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Parity of Virahāṅka Sequence
Last updated at August 14, 2026 by Teachoo
Class 7 (Ganita Prakash 1, 2)
Chapter 6 Class 7 - Number Play - Ganita Prakash
- Numbers can Tell us Things, Supercells
- Parity
- Figure it out - Page 131
- Small Squares in Grids (Parity in Multiplication)
- Parity of Expressions
- Some Explorations in Grids
- Magic Square
- Figure it out - Page 136
- Generalising 3 × 3 Magic Square
- First ever 4 × 4 Magic Square
- Magic Squares in History and Culture
-
Virahāṅka Fibonacci Numbers
- Digits in Disguise
- Figure it out - Page 143, 144
Transcript
Parity of Virahāṅka Sequence Partiy means even or odd Now, our Virahāṅka–Fibonacci sequence is 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, … The sequence goes even, odd, odd, even, odd, odd, even, odd, odd, ... : Why? Because adding two odd numbers produces an even number, but adding even and odd produces an odd number.
