The difference between a single discount of 30% on 550 Rs. and two successive discounts of 20% and 10% on the same amount is :
The difference between a single discount of 30% on 550 Rs. and two successive discounts of 20% and 10% on the same amount is :
[A]Nill
[B]11 Rs.
[C]22 Rs.
[D]44 Rs.
11 Rs.
Case I : A single discount of 30%
Case II : Two successive discounts of 20% and 10%
Single equivalent discount
Difference
∴ Required Difference = 2% of 550
Hence option [B] is correct answer.