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Question

A dishonest shopkeeper gives 900 g of a commodity instead of 1 kg but charges the cost price per kg. Find his gain percentage.

This question was previously asked in
UPTET 2026 Paper 2 Social Studies Question Paper (3-Jul-2026) (Shift 1)
The correct answer is

11.11%

The shopkeeper charges for 1000 g but actually gives only 900 g, so the gain is measured against the quantity actually given.

Gain percentage is calculated as \(\text{Gain \%} = \frac{\text{Shortage}}{\text{Quantity given}} \times 100\).

\(\text{Gain \%} = \frac{100}{900} \times 100 = 11.11\%\)

Hence, the gain percentage is 11.11%.

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Important Questions from Dishonest Dealings

  1. A trader claims to sell pulses at a profit of 3%, but also dishonestly uses a weight which is 15% less than what is mentioned on it. Find the total percentage of profit earned by the trader. (Round off the answer to the nearest whole number.)
  2. A trader claims to sell vegetables at a profit of 52%, but also dishonestly uses a weight which is 8% less than what is mentioned on it. Find the total percentage of profit earned by the trader. (Round off the answer to the nearest whole number.)
  3. A trader claims to sell fruits at a profit of 22%, but also dishonestly uses a weight which is 4% less than what is mentioned on it. Find the total percentage of profit earned by the trader. (Round off the answer to the nearest whole number.)

  4. A trader claims to sell pulses at a profit of 48%, but also dishonestly uses a weight which is 12% less than what is mentioned on it. Find the total percentage of profit earned by the trader. (Round off the answer to the nearest whole number.)
  5. A shopkeeper professes to sell his goods at a 20% loss but uses a false balance and gains 40%. The actual weight (rounded off to one decimal place) he uses for 1 kg is:
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