A man sold an article for ₹420 by first giving a d% discount on its marked price, and then another discount having the same nominal value (in ₹). If the marked price of the article is ₹560, then what is the value of d?
1
14.5
2
16.9
3
18.4
4
12.5
A man sold an article for ₹420 by first giving a d% discount on its marked price, and then another discount having the same nominal value (in ₹). If the marked price of the article is ₹560, then what is the value of d?