A chair is sold for Rs 720 after giving a discount of 10% on its marked price. The cost price of the chair is Rs 640. If it is sold at the marked price, then the profit percentage will be:

Options
a) 30%
b) 20%
c) 18%
d) 25%

Solutions

As per questions
MP x .9 = SP
MP x .9 = 720 Rs.
MP = $ \frac{720 \times 10}{9}$
MP = $ \frac{7200}{9}$
MP = 800 Rs.
CP = 640
Profit = MP – CP
Profit = 800 – 640
Profit = 160 Rs.
P % = $ \frac{160 \times 100}{640}$
P % = 25%

Ans: d) 25%