The marked price of a watch is 800 Rs. A shopkeeper gives two successive discounts and sells the watch at 612 Rs. If the first discount is 10%, the second discount is :
The marked price of a watch is 800 Rs. A shopkeeper gives two successive discounts and sells the watch at 612 Rs. If the first discount is 10%, then the second discount is :
[A]10%
[B]12%
[C]15%
[D]20%
15%
Let the second discount be x%.
Then, 90% of (100 – x)% of 800 = 612.
Hence option [C] is correct answer.