What single discount is equivalent to two successive discounts of 20% and 15%?
What single discount is equivalent to two successive discounts of 20% and 15%?
[A]30%
[B]32%
[C]34%
[D]35%
32%
Single equivalent discount =
$latex = \left ( x+y-\frac{x\times y}{100} \right )\%&s=1$
$latex = \left ( 20+15-\frac{20\times 15}{100} \right )\% = 32\%&s=1$
Hence option [B] is correct answer.