The ratio of cost price and selling price is 4:5.profit percentage?

A) 10percent

B) 20percent

C) 25 percent

D) 30 percent

cost price = 4x

selling price = 5x

profit % = (sp – cp)/ cp × 100

= (5x – 4x) / 4x × 100

= (x ×100) / 4x

= 25

Hence profit% is 25