A dishonest dealer professes to sell his goods at 10 profit on Cost Price and also uses a false weig...........

Quantitative Aptitude ( CCS) Profit and loss

A dishonest dealer professes to sell his goods at 10% profit on Cost Price and also uses a false weight and gives 900 grams instead of 1 kg. Find his total gain.

11.11%

22.22%

21.11%

21.1%

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Explanation:

Solution:
900 gms in place of 1000 gm
So profit% is (1000-900)/900 * 100 = 100/9 %
10% Profit is on CP also
So required profit% is
10 + 100/9 + 10*(100/9)/100 – successive formula
22.22%