Question

anirudhha bought some books for Rs. 60.had he bought 5 more books for the same amount,each book would have cost Rs. 1 less.find the number of books bought by anirudh

Answer 1

i think 100 rupees for the current

Answer 2

Answer:

Let the number of books be x

Cost of all books = 60

∴ cost of one book = 60/x ------ ( i )

Now, Number of books x + 5 (if he purchases 5 more books)

Cost of one book = 60/(x+5) ------ ( ii )

According to question New cost is 1 less than the earlier cost of the book

∴ Earlier Cost of the book - New cost of the Book = 1

x + 20 = 0   ;     x - 15 = 0

x = -20, 15

∵ Number of Books can not be negative therefore neglecting x = -20

Number of books purchased = 15

Cost of one book = 60 / 15 = Rs.4