NCERT Solutions For Class 8 Maths Chapter 7,Cubes And Cube Roots, Exercise 7.1 Table of Contents Toggle Class 8, Maths, Chapter 7, Exercise 7.1, Solutions NCERT Solutions For Class 8 Maths Chapter 7, Cubes and Cube Roots (All Exercises) Class 8, Maths, Chapter 7, Exercise 7.1, Solutions Q.1. Which of the following numbers are not perfect cubes?(i) 216 (ii) 128 (iii) 1000 (iv) 100(v) 46656Ans: Q.2. Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube.(i) 243 (ii) 256(iii) 72 (iv) 675(v) 100 Q.3. Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube.(i) 81 (ii) 128 (iii) 135(iv) 192(v) 704 Q.4. Parikshit makes a cuboid of plasticine of sides 5 cm, 2 cm, 5 cm. How many such cuboids will he need to form a cube? NCERT Solutions For Class 8 Maths Chapter 7, Cubes and Cube Roots (All Exercises) Class 8, Maths, Chapter 7, Cube and Cube Roots Class 8, Maths, Chapter 7, Cube and Cube Roots, Exercise 7.1 ← You are hereClass 8, Maths, Chapter 7, Cube and Cube Roots, Exercise 7.2