ALLIGATION OR MIXTURE PROBLEMS QUIZ

From a vessel filled with alcohol 1/5 of its contents is removed and the vessel is then filled up with water. If this be done 5 times in succession, what proportion of the alcohol originally contained in the vessel will have been removed from it?

None of these

1024 2101

1024 3125

2101 3125

TRUE ANSWER : ?
YOUR ANSWER : ?

In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?

7 : 3

3 : 7

5 : 7

7 : 5

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A sum of Rs.118 was divided among 50 boys and girls such that each boy received Rs.2.60 and each girl Rs.1.80. Find the number of boys and girls?

20 boys and 30 girls

15 boys and 35 girls

35 boys and 15 girls

30 boys and 20 girls

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A merchant has 50 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 ?

20 kg

15 kg

30 kg

35 kg

TRUE ANSWER : ?
YOUR ANSWER : ?

In what proportion water must be added to spirit to gain 20% by selling it at the cost price?

1:8

1:7

1:5

1:6

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If a dairy mixes cow's milk which contains 10% fat with buffalo's milk which contains 20% fat, then the resulting mixture has fat (120/7)% of fat. What ratio was the cow's milk mixed with buffalo's milk?

2 : 1

2 : 5

1 : 5

2 : 3

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There are two mixtures of honey and water in which the ratio of honey and water are as 1:3 and 3:1 respectively. Two litres are drawn from first mixture and 3 litres from second mixture, are mixed to form another mixture. What is the ratio of honey and water in it?

111:108

None

11:9

103:72

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One type of liquid contains 25 % of benzene, the other contains 30% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of benzene in the new mixture.

29 %

26 %

21 %

27 %

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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:

600 kg

640 kg

400 kg

560 kg

TRUE ANSWER : ?
YOUR ANSWER : ?

729 ml. of a mixture contains milk and water in the ratio 7 : 2. How much more water is to be added to get a new mixture containing milk and water in ratio 7 : 3?

520 ml

600 ml

710 ml

None of these

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YOUR ANSWER : ?

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