What will be a single equivalent discount for successive discounts of 20%, 40% and 75% on the marked price of an item?

88%

Three discounts are given = 20% , 40% and 75%

    CP                   SP

     5                     4

     5                    3

     4                    1  

————————————

   100                12

Discount = 100 - 12 = 88

Discount % = 88 × \(\frac{100}{100}\) = 88%