Correct option is D
Given:
the selling price of an article is of its cost price
Formula Used:
Profit % =
Solution:
If the selling price of an article is of its cost price,
By ratio method,
Selling price = Cost price
=
Cost price : Selling price
4 : 5
Selling price is 1 more than cost price
So that profit is 1 on cost price,
Profit% =
Profit% = 25%
Thus, option (d) is correct.