Mathematical keasoningand a essive discounts if he fe eduncle the mp of a watch is rs. 1600. it is sold for rs. 1224 after giving two ce 100-107eto ex.15 discou

Mathematical Keasoningand A essive discounts If he fe Eduncle The MP of a watch is Rs. 1600. It iS sold for Rs. 1224 after giving two ce 100-107eto Ex.15 discount was 10%, then the second was: (B) 15% 12% (A) (D) 18% (C) 16% Ans. (B) Let the rate for second discount x. =1600x0(100-x)_ 1224 100 100 1224x10 85 16x9 =x = 100 85 15%