Mixture and Alligation Practice Question and Answer
8 Q: The price of a variety of a commodity is ₹7/kg and that of another is ₹12/kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is ₹10/kg.
253 064ccea538f85ca71558f2e09
64ccea538f85ca71558f2e09- 13 : 4false
- 22 : 3true
- 34 : 5false
- 42 : 5false
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Answer : 2. "2 : 3"
Q: Alloy A contains metals x and y only in the ratio 5: 2 and alloy B contains these metals in the ratio 3: 4. Alloy C is prepared by mixing A and B in the ratio 4: 5. The percentage of x in alloy C is:
321 064c76a993fde307e3f4acc19
64c76a993fde307e3f4acc19- 145false
- 2$$55{5\over 9}$$true
- 3$$44{4\over 9}$$false
- 456false
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Answer : 2. "$$55{5\over 9}$$"
Q: In what ratio should sugar costing ₹40 per kg be mixed with sugar costing ₹48 per kg, so as to earn a profit of 20% by selling the mixture at ₹54 per kg?
219 064c764809e9013486a84cd8c
64c764809e9013486a84cd8c- 13 : 5true
- 24 : 7false
- 35 : 8false
- 42 : 3false
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Answer : 1. "3 : 5"
Q: How many kg of rice costing ₹42 per kg should be mixed with$$7{1\over 2}$$ kg rice costing ₹50 per kg so that by selling the mixture at₹ 53.10 per kg, there is a gain of 18%?
261 064be69d8c3da05b2214a884a
64be69d8c3da05b2214a884a- 19false
- 28false
- 3$$10{1\over 2}$$false
- 4$$12{1\over 2}$$true
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Answer : 4. "$$12{1\over 2}$$"
Q: A and B are solutions of acid and water. The ratio of water and acid in A and B are 4 : 5 and 1 : 2, respectively. If x literes of A is mixed with y litres of B, then the ratio of water and acid in the mixture becomes 8 : 13. What is x : y ?
230 064b8ef7623047f4c71cd03aa
64b8ef7623047f4c71cd03aa- 15 : 6false
- 22 : 5false
- 33 : 4true
- 42 : 3false
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Answer : 3. "3 : 4"
Q: How many kilogram of rice costing Rs.60 per kg must be mixed with 24 kg of rice costing Rs.42 per kg so that there may be a gain of 12% by selling the mixture at Rs.56 per kg?
1012 064b502ed23047f4c71bf59a5
64b502ed23047f4c71bf59a5- 122 kgfalse
- 220 kgfalse
- 319.2 kgtrue
- 421.2 kgfalse
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Answer : 3. "19.2 kg"
Q: If 80 litres of milk solution has 60% milk in it, then how much milk should be added to make milk 80% in the solution?
1443 0649d820bc7d7c7e0673646bf
649d820bc7d7c7e0673646bf- 170 litresfalse
- 250 litresfalse
- 360 litresfalse
- 480 litrestrue
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Answer : 4. "80 litres"
Q: 40 litres of milk are kept in a container. 4 litres of milk were removed from this container and replaced with water. This procedure was performed two more times. How much milk does the container now hold?
251 064953d1b4e0960e05479fb01
64953d1b4e0960e05479fb01- 130 litresfalse
- 234.23 litresfalse
- 329.16 litrestrue
- 432 litresfalse
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