Lesson 6, 'Let's practise' section 1 and 2, lists 53, 55, 57, 59, 61, 63, 65, 67, 69 as odd numbers. 55 is in this list.
Class 3 › English Text Book › Chapter 4: Let's Play with Sounds and Numbers › Topic: Even and odd numbers
Aligned to the NCTB national curriculum.