What is the total number of cubes in the given figure?
Show answer & explanation
Correct answer: B
Explanation
To find the total number of cubes in the stepped structure of 5 layers, we count layer by layer from top to bottom (including the hidden cubes supporting the upper ones):
• Layer 1 (Top): cube
• Layer 2: cubes
• Layer 3: cubes
• Layer 4: cubes
• Layer 5 (Bottom): cubes
Total number of cubes =
Alternative (Column Height Method):
Total =