Question

the cost of 12 books is 3240RS find the cost of 1 book

Answer 1

Answer:

270

Step-by-step explanation:

3240RS divided by 12 - the cost of 1 book
so, 3240 RS divided by 12 is equal to 270
therefore answer is equal to 270

Answer 2

Cost of 1 book is Rs.270

Step-by-step explanation:

Given:- Cost of 12 books = Rs.3240

To Find:- Cost of 1 book

Formula used:- Unitary Method

The unitary method is a fundamental concept of Mathematics and makes it convenient to solve various sums.

Cost of 1 book =$\frac{ Cost of 12 books}{Total no of books}$

Solution:-

Cost of 12 books = Rs.3240

Cost of 1 books =$\frac{3240}{12}$= Rs.270

Cost of 1 book is Rs.270