If the C.P. of 25 chairs is equal to the S.P. of 30 chairs find the loss percent.

When C.P of n things is equal to S.P.of r things then Profit or loss percent.

If the CP of 20 tables is equal to the SP of 25 tables. Find the profit or loss percent

If the cost price of 18 chairs be equal to selling price of 16 chairs, find the gain or loss percent.

If C.P of 4 articles is equal to selling price of 3, then find loss or gain percent

S.P of 2 oranges in the same as the C.P.of 3 oranges.Find the gain percent

Shabana bought 16 dozen ball bens and sold them at a loss equal to S.P. of 8 ball pens. Find her loss percent S.P. of 1 dozen ball pens, if she purchased these 16 dozen ball pens for Rs 576.