A dishonest shopkeeper promises to sell his goods at its Cost Price . But he uses 55% less weight. Find his profit percent.

110% 52% 130% 122%

122%

1000 gm.           450 gm.                -55%          ← (less weight)   Profit = 550 grams Profit percentage = \(\frac{550}{450}\) × 100 = 122%