If the percentage of profit calculated on selling price

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If the percentage of profit calculated on selling price of an article is 20%, percentage of profit calculated on cost price will be

According to question ,

	S.P. - C.P.	× 100 = 20
	S.P.

⇒ 5S.P. – 5C.P. = S.P.
⇒ 4S.P. = 5C.P.

∴	CP	=	4
	SP		5

Gain = SP - CP = 5 - 4 = 1

∴ Required percentage =	1	× 100 = 25%
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