Question

On selling a book for Rs. 1000 a bookseller made profit of 25% on cost . what is the cost price of the book ?

Answer 1

S.P = 1000
P = 25%
C.P = S.P*100/(100+P)
C.P = 1000*100/125 = Rs.800
Hence, cost price of book is 'Rs.800'