Question 5 - Figure it out - Page 95-97 - Chapter 4 Class 8 - Exploring Some Geometric Themes (Ganita Prakash II

Last updated at August 14, 2026 by

[Class 8] Find the number of cubes in this stack of identical cubes - Figure it out - Page 95-97

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Question 5 Find the number of cubes in this stack of identical cubes. This is a tetrahedral pyramid. We count layer by layer from the top: 1 (top) + 3 (second layer) + 6 (third layer) + 10 (bottom layer) = 20 cubes in total.

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