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## Bhavuk Pujara is teaching live on Unacademy Plus

Bhavuk Pujara

MDI Gurgaon ‘16-‘18 Rank 3rd | CAT 98.3 | Aptitude trainer for 4+ years

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Abbas Ali

6 months ago

very nicely explained ✌️

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Ritu kumari

6 months ago

Oohhhh...thank u abbas....

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Prakhar Tripathi

5 months ago

Sir you r grt.

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Bhavuk Pujara

5 months ago

:)

Mansi yadav

9 months ago

sir you taught great....thank you so much

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Bhavuk Pujara

9 months ago

Thanks for the feedback Mansi. I’m glad my course could of help to you...:)

Painted blocks in a (n x n x n) Cube

nxnxn Cube Observation: No. of blocks of size 1 x 1 x 1 n3 blocks No. of edges- 12 edges Always No. of vertices 8 vertices Always 6 sidesAlways Varies . If the Cube is painted, then: .3 sides painted: 8 blocks Always . 2 sides painted: 12(n - 2) blocks 1 side painted: 6(n - 2)2 blocks 0 sides painted: (n 2)3 block:s

nxnxn Cube Paint all sides of a 4 x 4 x 4 Cube Find how many blocks have . 1 side painted 0 sides painted 2 sides painted 3 sides painted All 4 sides painted

1 x 1 x 1 cube

2 x 2x 2 cube

3 x 3 x 3 cube

4 x 4 x 4 cube