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Byju's Answer
Standard IX
Mathematics
Euclid's Elements
How many cube...
Question
How many cubes will be there with two faces painted with blue and black colours?
A
4
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B
2
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C
6
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D
8
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E
10
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Solution
The correct option is
A
4
b'The number of such cubes =
d
i
s
p
l
a
y
s
t
y
l
e
f
r
a
c
1
3
t
i
m
e
s
12
(
f
r
a
c
3
1
−
2
)
=
4
displaystylefrac13times12(frac31−2)=4
.
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