The cost price of 15 pens is equal to the selling price of 12 pens. Find the loss or gain per cent.

Q. The selling price of 12 pens is equal to the cost price of 15 pens. Find the gain per cent.

Q.

If the selling price of 10 pens is the same as the cost price of 12 pens then gain per cent is

(a) 2 %

(b) 12 %

(c) 20 %

(d) 25 %

Q. Tick (✓) the correct answer:
If the selling price of 10 pens is the same as the cost price of 12 pens then gain per cent is
(a) 2%
(b) 12%
(c) 20%
(d) 25%

Q. The cost price of $11$ pens is equal to the selling price of $10$ pens. Find the loss or gain percent.

Q. In the cost price of 12 pens is equal to the selling price of 16 pens, find the loss per cent.