Question

A merchant was selling a dozen notebooks for ₹ 360. Find the cost of one

notebook.

Answer 1

Answer:

Rs.20

Step-by-step explanation:

CP of 12 dozen notebooks.

=SP−Profit=Rs.(360−120)=Rs.240

CP of 1 dozen notebook.=Rs.24012=Rs.20

Answer 2

Given: A merchant was selling a dozen notebooks for ₹$360$.

We have to find the cost of on ebook.

We are solving in the following way:

We have,

The cost of the $12$notebooks is ₹$360$.

So, the cost of the one notebook will be:

$\Rightarrow \frac{360}{12} \\\\\Rightarrow 30$

Solving the above equation further we get,

The cost of the one book is $30$Rs.

Hence, the cost of one notebook will be $30$Rs.