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here is a cuboid whose dimensions are 4 x 3 x 3 cm.
The opposite faces of dimensions 4 x 3 are coloured yellow.
The opposite faces of other dimensions 4 x 3 are coloured red.
The opposite faces of dimensions 3 x 3 are coloured green.
Now the cuboid is cut into small cubes of side 1 cm.

How many small cubes will have only two faces coloured ?

A. 12 B. 24
C. 16 D. 12

Read Solution (Total 2)

C. 16 small cubes will have only two faces coloured.

Reason:
Number of small cubes having only two faces coloured = 6 from the front + 6 from the back + 2 from the left + 2 from the right
= 16
13 years agoHelpfull: Yes(5) No(0)

two surface coloured= 4(l+b+h-6)=4(4+3+3-6)=16
11 years agoHelpfull: Yes(2) No(1)

CTS Other Question

A cuboid shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height.
Two faces measuring 4 cm x 1 cm are coloured in black.
Two faces measuring 6 cm x 1 cm are coloured in red.
Two faces measuring 6 cm x 4 cm are coloured in green.
The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal cubes of side 1 cm(from 4 cm side).
1.
How many cubes having red, green and black colours on at least one side of the cube will be formed ?

A. 16 B. 12
C. 10 D. 4 A cuboid shaped wooden block has 4 cm length, 3 cm breadth and 5 cm height.
Two sides measuring 5 cm x 4 cm are coloured in red.
Two faces measuring 4 cm x 3 cm are coloured in blue.
Two faces measuring 5 cm x 3 cm are coloured in green.
Now the block is divided into small cubes of side 1 cm each.
How many small cubes will have no faces coloured ?

A. None B. 2
C. 4 D. 6