A dishonest dealer marks up the price of his goods by 20% and then gives discount of 10% to the customer. He also uses a 900 gm weight instead of 1 kg weight. Find his profit% due to these maneuvers.
Explanation:
Assume CP as Rs. 1/gm
∴ SP = 1 × 1.2 × 0.9 = Rs. 1.08/gm
He buys 900 gms and while selling quotes it as 1000 gms.
⇒ Total cost price = 900 × 1 = Rs. 900
⇒ Total selling price = 1000 × 1.08 = Rs. 1080
∴ Profit% = 1080-900900 × 100 = 20%
Hence, option (c).
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