A dishonest dealer professes to sell his goods at Cost Price but still gets 30% profit by using a false weight. What weight does he substitute for a kilogram? Choose the correct choice:
A) 769 1/7 grams B) 769 3/13 grams C) 769 8/3 grams D) 769 1/3 grams E) 769 1/13 grams
If the cost price is Rs.100, then to get a profit of 30%, the selling price should be Rs.130.   If 130kg are to be sold, and the dealer gives only 100kg, to get a profit of 30%.   How many grams he has to give instead of one kilogram(1000 gm).   130 gm ------ 100 gm   1000 gm ------ ?   (1000 * 100)/130 = 769 3/13 grams.   Answer:769 3/13 grams
<result>B</result>
A dishonest dealer professes to sell his goods at Cost Price but still gets 30% profit by using a false weight. What weight does he substitute for a kilogram?