Question

How many cubical blocks, each with edges of length 5 inches, are needed to fill a rectangular box that has inside dimensions of 15 inches by 20 inches by 25 inches?

Answer 1

${\underline{\underline{Answer~:}}}$

Question :)

• How many cubical blocks, each with edges of length 5 inches, are needed to fill a rectangular box that has inside dimensions of 15 inches by 20 inches by 25 inches?

Solution :)

• For this type of question we have to take volumes.

• First find volume of rectangular box and cubical blocks.

• After that divide and you get answer

Volume of rectangular box :-

$= lbh \\ = 15 \times 20 \times 25 \\ = 7500 { \: cm}^{ 3}$

Volume of cubical block :-

$= {l}^{3} \\ = {5}^{3} \\ = 125 { \: cm}^{3}$

Required block :-

$= \frac{7500}{125} \\ \\ = 60 \: block$

$\color{Red}{Answer~is~60~block.}$

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