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Question-1
Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:
(A)
Rs. 169.50
(B)
Rs. 170
(C)
Rs. 175.50
(D)
Rs. 180
Question-2
In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
(A)
3 : 2
(B)
3 : 4
(C)
3 : 5
(D)
4 : 5
Question-3
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?
(A)
4 litres, 8 litres
(B)
6 litres, 6 litres
(C)
5 litres, 7 litres
(D)
7 litres, 5 litres
Question-4
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:
(A)
4%
(B)
1/64%
(C)
20%
(D)
25%
Question-5
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:
(A)
400 kg
(B)
560 kg
(C)
600 kg
(D)
640 kg
Question-6
Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
(A)
1 : 3
(B)
2 : 3
(C)
3 : 4
(D)
4:5
Question-7
A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?
(A)
10
(B)
20
(C)
21
(D)
25
Question-8
8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 81. How much wine did the cask hold originally?
(A)
18 litres
(B)
24 litres
(C)
32 litres
(D)
42 litres
Question-9
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?
(A)
1/3
(B)
1/4
(C)
1/5
(D)
1/7
Question-10
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:
(A)
1/3
(B)
2/3
(C)
2/5
(D)
3/5
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