An article is sold at two discounts of 60% each given one after the other. The equivalent discount overall is___.
Let Marked Price(MP) = ₹ 100
After first discount of 60% we get : 100 - 60100× 100 = ₹100 - ₹60 = ₹40
After second discount of 60% we get : 40 - 60100× 40 = ₹40 - ₹24 = ₹16
Overall equivalent discount = 100−16100×100 = 84%