(i) False – cube of odd is odd.
(ii) False – 2³ = 8.
(iii) True – 5³ = 125.
(iv) True – 99³ = 970299
(v) False – cube numbers (unless cube of square) have even factors.
Class 8 Mathematics Textbook Chapter 1 A Square and A Cube question answer
Class 8 Mathematics Chapter 1 A Square and A Cube solutions
(i) False – Odd³ = Odd (e.g., 3³ = 27)
(ii) False – 2³ = 8 ends in 8
(iii) True – 4³ = 64 (2-digit → 2-digit), 5³ = 125 (2-digit → 3-digit)
(iv) True – 99³ = 970299 (2-digit cube has 6 digits)
(v) False – Only cube numbers that are also squares have odd number of factors. Others have even.
For more NCERT Solutions for Class 8 Mathematics Ganita Prakash Chapter 1 A Square and A Cube Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/maths/ganita-prakash-chapter-1/