Sambhu buys rice at Rs. 10/kg and puts a price tag on it so as to earn a profit of 20%. However, his faulty balance shows 1000 gm when it is actually 800 gm. What is his actual gain percentage ?
Choose the most appropriate option:
A) 20%  B) 30%  C) 50%  D) 40%  E) 60%
1kg rice =Rs. 10 =&gt; 800gm actual cost =Rs. 8.   But he wants to earn a profit of 20% =&gt; 1kg = Rs.12.   Moreover his faulty balance shows 800 gm = 1000gm (1 kg)   =&gt; He sells 800 gm for Rs.12   Therefore the actual profit earned by him is (12-8)/8 * 100= 
<gadget id="calculator">(12-8)/8 * 100</gadget>
<output>50</output>
50%   ANSWER:50%
<result>C</result>
Sambhu buys rice at Rs. 10/kg and puts a price tag on it so as to earn a profit of 20%. However, his faulty balance shows 1000 gm when it is actually 800 gm. What is his actual gain percentage ?