Question

If cost of 3 books are 15 rs then cost of 5 books are

Answer 1

cost of 3 books are 15 rs

"""""""""1""""""""""""" =15/3

cost of 5 books = 15/3 *5

= 25

Answer 2

Answer:

25 answer

first find out the cost of 1 book:-15/3 =5

cost of 5 books = 5*5=25 answer