(i) A dough ball of radius 6 cm yields (6/1.5)³ = 64 small dough balls of radius 1.5 cm, producing about 64 chapatis. (ii) Edible volume is the hemispherical shell volume: (2/3)π(R³ − r³) using outer and inner radii.
Class 9 Ganita Manjari part 2 Chapter 14 end of chapter exercise Solutions
Class 9 Ganita Manjari Part II Chapter 14 Page 146 Question Answer