Answer:

20

Step-by-step explanation:

By selling a toy for rupees 25, a man gains 25%.

It means, we have

Selling Price = 25

Gain % = 25 %

We know,

CP=100XSP/100 + Profit %

So, on substituting the values, we get

Cp=100x25/100+25

CP=20

Verified answer

I hope this will help you.

Please refer to the attachment.