Question

A pile of 15 Notebooks is 10 1/2 cm high. what is the thickness of each book

Answer 1

Answer:

Thickness of each book will be 0.7 cm .

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Answer 2

There are 15 books stacked on each other.

The total height attained is 10.5 cm

therefore, to find thickness of each book :

$\frac{Total Height of Stack}{Number of books}$ = Thickness of each book

⇒ $\frac{10.5}{15}$

⇒0.7 cm

Hence thickness of each book = 0.7 cm

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