If three cubes each of edge 4 cm are placed end to end, then the dimensions of resulting solid are:
(a) 12 cm × 4 cm × 4 cm
(b) 4 cm × 8 cm × 4 cm
(c) 4 cm × 8 cm × 12 cm
(d) 4 cm × 6 cm × 8 cm

Solution:

It is given that

Three cubes of edge 4 cm is placed end to end

It means that the length is increased.

So the new dimensions will be 12 cm x 4 cm x 4 cm

Therefore, the dimensions of the resulting solid are 12 cm × 4 cm × 4 cm.

✦ Try This: Three cubes each of edge 4 cm are placed end to end. What are the dimensions of the resulting solid?

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 14

NCERT Exemplar Class 7 Maths Chapter 12 Problem 15

If three cubes each of edge 4 cm are placed end to end, then the dimensions of resulting solid are: (a) 12 cm × 4 cm × 4 cm, (b) 4 cm × 8 cm × 4 cm, (c) 4 cm × 8 cm × 12 cm, (d) 4 cm × 6 cm × 8 cm

Summary:

If three cubes each of edge 4 cm are placed end to end, then the dimensions of the resulting solid are 12 cm x 4 cm x 4 cm

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