Question

Q.58 Three solid metal cubes with edges 6cm. Scm and 10cm respectively are melted together
and formed a single cube. The edge of the new cube so formed is
a)14cm
b)16cm
c)l2cm
d)18cm
a
Ο Ο Ο Ο
C
d​

Answer 1

Answer:

As we know that,

Volume of cube =a

3

Here, a is the edge of cube

Volume of small cube of edge 6cm=6

3

=216cm

3

Volume of small cube of edge 8cm=8

3

=512cm

3

Volume of small cube of edge 10cm=10

3

=1000cm

3

Here,

Volume of new cube = Sum of colume of all cubes

Therefore,

Volume of new cube =1000+216+512=1728cm

3

Step-by-step explanation:

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