# Q. 8.     The weight of 72 books is $9\; kg.$ What is the weight of 40 such books?

P Pankaj Sanodiya

Given,

The weight of 72 books = 9 kg

So, The weight of 1 book :

$=\frac{9}{72}=\frac{1}{8}kg$

And hence,

The weight of 40 such books:

$=40\times\frac{1}{8}=5kg$

Hence, the weight of 40 books will be 5 kg.

Exams
Articles
Questions