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RRB Junior Engineer Stage 1 Model Papers 2
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© examsnet.com
Question : 9
Total: 99
If the total surface area of a cube is
96
c
m
2
, its volume is
36
c
m
3
56
c
m
3
16
c
m
3
64
c
m
3
Validate
Solution:
Total surface area of cube
=
96
c
m
2
6
a
2
=
96
c
m
2
a
2
=
16
c
m
2
⇒
a
=
4
c
m
Now, volume of cube
=
a
3
⇒
(
4
)
3
=
64
c
m
3
© examsnet.com
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