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Subject :NCO    Class : Class 6

A solid block is formed by arranging some cubes of equal dimensions, as shown in the given figure. The block is painted on all of its surfaces except the base. How many cubes have none of the faces coloured?

A 0
B 12
C 8
D 6


Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
I mean B

Ans 3:

Class : Class 6
i think its b cause if you see it has a little bit of bold line on that part and if you count it it is 12 . i have not taken imo because i am an ieo student but in my opinion it is b.

Ans 4:

Class : Class 7
How is answer A

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