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Mixtures and Alligations

1. In what ratio must a grocer mix two types of rice costing Rs.16.5 per kg and Rs.20 per kg respectively, so as to get a mixture worth Rs.18.5 per kg?

 A) 3 : 5   B) 3 : 1   C) 2 : 5   D) 3 : 4

2. In what proportion must a grocer mix wheat at Rs. 42.75 per kg and Rs. 56.25 per kg so as to make a mixture worth Rs. 48.5 per kg?

 A) 31 : 20   B) 33 : 25    C) 31 : 23    D) 35 : 24

3. A mixture of a certain quantity of milk with 16 lit of water is worth 50 paise per litre. If pure milk is worth 66 paise per litre, how much(in litres) milk is there in the mixture? 

A) 50   B) 55   C) 48   D) 44

4. The ratio of milk and water mixture of four containers are 7 : 5, 5 : 3, 6 : 5 and 11 : 9, respectively. In which container, is the quantity of milk relative to water minimum? 

A) Third   B) First    C) Fourth    D) Second

5. A merchant has 424 kg of rice, one part of which he sells at 53% profit and the rest at 37% profit. He gains 49% on the whole. Find the quantity (in kg) sold at 37%.

 A) 88   B) 124   C) 106   D) 54

6. A trader has 99 kg of pulses, part of which he sells at 15% profit and rest at 33% profit. He gains 25% on the whole. What is the quantity (in kgs) sold at 33% profit?

 A) 50   B) 44   C) 55   D) 66

7. 96 gm of salt solution has 44% salt in it. How much salt (in grams) should be added to make it 58% in the solution?

 A) 36   B) 27   C) 32   D) 18

8. 726 gm of sugar solution has 37.5% sugar in it. How much sugar (in grams) should be added to make it 62.5% in the solution? 

A) 520   B) 410    C) 424    D) 484

9. In two types of stainless steel, the ratio of Chromium and Steel are 11 : 9 and 7 : 13, respectively. In what proportion should the two types be mixed, so that the ratio of Chromium to Steel in the mixed type becomes 9 : 11?

 A) 3 : 5   B) 4 : 5   C) 1 : 1    D) 2 : 3

10. In a mixture of 85 lit the ratio of acid and water is 3 : 2. If the ratio of acid and water is to be 1 : 3, then the amount of water (in litres) to be added to the mixture is..... 

A) 120   B) 115   C) 121    D) 119

11. In what ratio must a mixture of 25% alcohol be mixed with another mixture of 63% alcohol so that the resultant mixture contains 47% alcohol? 

A) 10 : 13   B) 6 : 17   C) 8 : 11   D) 9 : 17

12. 25 litres of 80% pure Methyl alcohol is added to a 15 litre solution containing 50% Methyl alcohol. What is the strength of Methyl alcohol in the resultant mixture? 

A) 68.75%   B) 69.40%   C) 47.60%    D) 75.20%

13. How many kilograms of salt at Rs.60 per kg must be mixed with 75 kgs of salt that costs Rs.39 per kg so that a merchant will get 20% by selling the mixture at Rs. 54 per kg? 

A) 30   B) 45   C) 40   D) 27

14.Two equal containers filled with mixtures of milk and water in the ratio of 5 : 8 and 7: 6 respectively were emptied into a larger container. What is the ratio of Milk and Water in the larger container? 

A) 8 : 11   B) 6 : 7   C) 5 : 8   D) 7 : 9

15. There are two alloys of copper and zinc. If the first alloy, the ratio of copper to zinc is 4 : 7 and in the second alloy the ratio of copper to zinc is 5 : 8. In what proportion should these two alloys be mixed, so that a new alloy containing equal parts of copper and zinc may be obtained?

 A) 126 : 131   B) 145 : 171   C) 107 : 179   D) 121 : 163

16. The ratio of milk and water in a 63 litres mixture is 5 : 4. How much water (in litres) should be added to the mixture to make it a mixture containing equal proportions of milk and water? 

A) 7   B) 15   C) 20   D) 10

Posted Date : 11-02-2023

గమనిక : ప్రతిభ.ఈనాడు.నెట్‌లో కనిపించే వ్యాపార ప్రకటనలు వివిధ దేశాల్లోని వ్యాపారులు, సంస్థల నుంచి వస్తాయి. మరి కొన్ని ప్రకటనలు పాఠకుల అభిరుచి మేరకు కృత్రిమ మేధస్సు సాంకేతికత సాయంతో ప్రదర్శితమవుతుంటాయి. ఆ ప్రకటనల్లోని ఉత్పత్తులను లేదా సేవలను పాఠకులు స్వయంగా విచారించుకొని, జాగ్రత్తగా పరిశీలించి కొనుక్కోవాలి లేదా వినియోగించుకోవాలి. వాటి నాణ్యత లేదా లోపాలతో ఈనాడు యాజమాన్యానికి ఎలాంటి సంబంధం లేదు. ఈ విషయంలో ఉత్తర ప్రత్యుత్తరాలకు, ఈ-మెయిల్స్ కి, ఇంకా ఇతర రూపాల్లో సమాచార మార్పిడికి తావు లేదు. ఫిర్యాదులు స్వీకరించడం కుదరదు. పాఠకులు గమనించి, సహకరించాలని మనవి.

 

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