Mohan bought 38 books for Rs.3500 and sold them at a profit equal to the selling price of 3 books. The selling price of 1 book is: |
Rs.150/- Rs.100/- Rs.120/- Rs.90/- |
Rs.100/- |
S.P. of 38 - C.P. of 38 = S.P. of 3 (profit) S.P. of 35 = C.P. of 38 C.P. of 38 = Rs. 3500 (given) Therefore, S.P. of 35 = Rs. 3500 S.P. of 1 = Rs.100/- |