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Aptitude · Q84

True Discount

Competitive Exams · Aptitude · question 84

Q84

A shopkeeper marks the price of an article at Rs. 80. What will be the selling price, if he allows two successive discounts at 5% each = ?

A.
Rs. 72.20
Answer
B.
Rs. 72
C.
Rs. 85
D.
Rs. 7.20

Answer: Option A

Solution

Answer: Option A
Solution:
Marked price of article = Rs. 80
\begin{aligned} & {\text{Two successive discount }} \\ & {\text{ = 5}} + 5 - \frac{{5 \times 5}}{{100}} \\ & = 10 - 0.25 \\ & = 9.75\% \\ & {\text{Discount of article }} \\ & {\text{ = 9}}{\text{.75% of 80}} \\ & {\text{ = }}\frac{{9.75}}{{100}} \times 80 \\ & = {\text{Rs}}{\text{. 7}}{\text{.80}} \\ & {\text{Selling price of article }} \\ & {\text{ = }}80 - 7.80 \\ & {\text{ = Rs}}{\text{. 72}}{\text{.20}} \\\end{aligned}