The equivalent single discount for two successive discount of 15% and 10% is:
The equivalent single discount for two successive discount of 15% and 10% is:
[A]20.5%
[B]23.5%
[C]20%
[D]25%
23.5%
Trick : Equivalent discount =
$latex = \left ( 15+10-\frac{15\times 10}{100} \right )&s=1$% = 23.5%
Hence option [B] is the right answer.