Question

Three cubes of dimensions $5cm\times 5cm\times 5cm$ are placed side by side. The length of resulting cuboid is:

• A. $12cm$
• B. $9cm$
• C. $6cm$
• D. $15cm$

Answer 1

The correct option is D $15cm$

Length of each cube = 5 cm
There are 3 cubes of similar length which are placed side by side.
Length of the resulting cuboid = $3\times 5$ = $15cm$