A dealer marks his goods at 40 % above the cost price and

A dealer marks his goods at 40 % above the cost price and allows a discount of 20 % on the marked price. The dealer has a

Let the CP of article be ₹ 100.
∴ Marked price = ₹ 140

S.P. =	140 × 80	= ₹ 112
	100

∴ Gain percent = 12%
2nd Method to solve this question.
Here, r = 40%, r₁ = 20%

Required profit or loss % =	r ×(100 − r₁)	− r₁
	100

Required profit or loss % =	40 × (100 − 20)	− 20
	100

Required profit or loss % =	40 × 80	−20
	100

Required profit or loss % = 32 – 20 = 12% profit