Question : A dishonest shopkeeper professes to sell grains at the cost price, but he uses a weight of 920 gm for 1 kg weight. Find his gain percentage (round up to two decimal places).

Option 1: 7.90%

Option 2: 8.70%

Option 3: 8.50%

Option 4: 7.80%

Question : How much chicory, costing INR 100/kg, should be added to 40 kg of coffee costing INR 45/kg so that the mixture will be worth INR 60/kg?

Option 1: 12.5 kg

Option 2: 5 kg

Option 3: 17.5 kg

Option 4: 15 kg

Question : How many kilograms of rice costing INR 52 per kg must be mixed with 35 kg of rice costing INR 45 per kg to get a gain of 10% by selling the resulting mixture of rice at the rate of INR 55 per kg?

Option 1: 87.5 kg

Option 2: 90.0 kg

Option 3: 85.0 kg

Option 4: 82.5 kg

Question : If two qualities of a fruit costing INR 20 per kg and INR 38 per kg are mixed in the ratio of 5 : 4, then find the cost of the mixture per kg (in INR).

Option 1: 30

Option 2: 31

Option 3: 29

Option 4: 28

Question : A shopkeeper gives a discount of 15% on the marked price. If the selling price is INR 19,040, then the discount on it will be:

Option 1: INR 3,360

Option 2: INR 3,850

Option 3: INR 3,260

Option 4: INR 3,600