A sofa-set listed at ₹ 800 is sold to a retailer at successive

A sofa-set listed at ₹ 800 is sold to a retailer at successive discounts of 25% and 15% by the wholesaler. Then the cost price of the sofa-set for retailer is

Use the below formula to calculate the Equivalent single discount.

Equivalent single discount =		D₁ + D₂ −	D₁ × D₂		%
			100

Single equivalent discount =		25 + 15 −	25 × 15
			100

Single equivalent discount = 40 – 3.75 = 36.25

∴ C.P. for the retailer =	800 × (100 − 36.25)	= ₹ 510
	100