Correct Answer - Option 3 :
\(33\frac{1}{3}\)%
Formula Used:
Loss = Cost price - Selling price
Loss% = Loss/ Cost price × 100
Calculation:
Let assume that cost price of 1 article be CP
⇒ so, cost price of 9 article = 9CP
The selling price of 1 article be SP
⇒ So, selling price of 9 articles = 9SP
Loss = Cost price - Selling price
⇒ 3CP = 9CP - 9SP
⇒ 6CP = 9SP
⇒ CP/SP = 9/6
⇒ CP/SP = 3/2
⇒ Loss = 3 units - 2 units = 1 unit
Loss% = Loss/Cost price × 100
⇒ Loss% = 1/3 × 100 = \(33\frac{1}{3}\)%
The correct option is 3 i.e. \(33\frac{1}{3}\)%