Monika purchased a pressure cooker at 9/10th of its selling price and sold it at 8% more than its S.P .find her gain percent. Choose the correct choice from the following answers.
A) 12%  B) 20%  C) 15%  D) 36%  E) 51%
Let the s.p be Rs. X .then C.P = Rs.9x/10,Receipt=108% of rs.x=Rs 27x/25   Gain=Rs (27x/25*9x/10)=Rs(108x-90x/100)=Rs18x/100   Gain%=(18x/100*10/9x*100)%=20%   Ans: 20%(18 /100*10/9 *100)= 
<gadget id="calculator">(18 /100*10/9 *100)</gadget>
<output>20</output>
20%   Ans: 20%
<result>B</result>
Monika purchased a pressure cooker at 9/10th of its selling price and sold it at 8% more than its S.P .find her gain percent.