The list price of a TV is Rs.15,000, and the shopkeeper allows a discount of `20%and10%` successively on list price. On the remaining amount, he charges `20%` as sales tax. If the buyer paid Rs.x, then by how much amount will the list price exceed Rs.x?
A. Rs. 3000
B. Rs.4200
C. Rs.2040
D. Rs.5000
A. Rs. 3000
B. Rs.4200
C. Rs.2040
D. Rs.5000
Correct Answer – C
(i) Apply the concept of percentages.
(ii) Calculate `20%and10%` successive discounts on list price.
(iii) Calculate `20%` sales tax on the amount after giving discounts.
X=Sales tax + amount after giving discount.
(iv) Required amount = Rs. (15,000-X).