एक दुकानदार किसी वस्तु पर Rs. 80 मूल्य अंकित करता यदि वह दो क्रमिक छूट 5% प्रत्येक देता है तो उसका विक्रय मूल्य क्या होगा ?

Options

A. Rs. 72.2
B. Rs. 72
C. Rs. 85
D. Rs. 7.20

Answer

A

Explanation

M.P. of article= Rs. 80
Two successive discount `=5+5-(5xx5)/(100)=10-0.25`
=9.75%
Discount of article
=9.75% of 80
`(9.75)/(100)xx80`
= Rs. 7.80
S.P. of article
=80-7.80
= Rs. 7.20