Q6. A merchant has 1000 kg of sugar, part of which he sells at 8 % profit and the rest at 18 % profit. He gains 14 % on the whole. The quantity sold at 18 % profit is:
Question 7
Q7. A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup ?
Question 8
Q8. A milk vendor has 2 cans of milk. The first contains 25 % water and the rest milk. The second contains 50 % water. How much milk should he mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3 : 5 ?
Question 9
Q9. A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25 % . The percentage of water in the mixture is:
Question 10
Q10. A jar full of whisky contains 40 % alcohol. A part of this whisky is replaced by another containing 19 % alcohol and now the percentage of alcohol was found to be 26 %. The quantity of whisky replaced is:
