Successive discounts of 10% and 30% are equivalent to a single discount of __% :
Successive discounts of 10% and 30% are equivalent to a single discount of __% :
[A]40%
[B]17%
[C]37%
[D]39
37%
Equivalent Discount = $latex x+y-\frac{x\times y}{100}&s=1$
$latex => 30+10-\frac{30\times 10}{100} = 37\%&s=1$
Hence option [C] is the right answer.