Question

3. The cost price of 20 dresses is same as the selling price of 15 dresses. Find the gain per cent.​

Answer 1

Answer:

Step-by-step explanation:

Let the C.P of 1 dress be Rs. “x”.

Then, C.P. 20 dresses will be = Rs. 20x  

And, C.P. of 15 dresses will be = Rs. 15x …. (i)

Since we are given that the C.P of 20 dresses = S.P. of 15 dresses.

∴ S.P. of 15 dresses = Rs. 20x …. (ii)

Thus, substituting the values from (i) & (ii), we get

The gain percent will be,

= [(S.P.– C.P.)/C.P.] * 100

= [(20x – 15x)/15x] * 100

= [5/15] * 100

= 33.34%