Alligation and mixture Practice Question and Answer
8 Q: A mixture contains wine and water in the ratio 3 : 2 and another mixture contains them in the ratio 4 : 5 . How many litres of the latter mixture must be mixed with 3 litres of the former mixture so that the resultant mixture may contain equal quantities of wine and water?
1658 05f4ce60e081699374e81e8ce
5f4ce60e081699374e81e8ce- 1$$4{1\over 2}$$ litresfalse
- 2$$3{3\over 4}$$ litresfalse
- 3$$1{2\over 3}$$ litresfalse
- 4$$5{2\over 5}$$ litrestrue
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Answer : 4. "$$5{2\over 5}$$ litres"
Q: A vendor sells potatoes at a cost price, but he mixes some rotten potatoes and thereby gains 25%. The percentage of rotten potatoes in the mixture is?
678 062fb524539a8157d9717f211
62fb524539a8157d9717f211- 122%false
- 220%true
- 325%false
- 48%false
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Answer : 2. "20%"
Q: A milkman buys some milk at 50Rs / ltr. He adds 1 / 5 water in milk and sells the mixture at 50Rs / ltr. Find out profit %?
1078 05e8b03d97b82aa7479fc4ba1
5e8b03d97b82aa7479fc4ba1- 10 %false
- 225 %true
- 320 %false
- 410 %false
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Answer : 2. "25 % "
Q: A vessel contains 20 litres of acid. 4 is taken out of the vessel and replaced by the same quantity of water. Next 4 litres of the mixture are withdrawn, and again the vessel is filled with the same quantity of water. Then find the ratio of acid left in the vessel with the quantity of acid initially in the vessel is:
1990 05ff9b1b2576a027ccbddd8d2
5ff9b1b2576a027ccbddd8d2- 14 : 5false
- 24 : 25false
- 316 : 25true
- 41 : 5false
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Answer : 3. "16 : 25"
Q: A jar was full with honey. A person used to draw out 20% of the honey from the jar and replaced it with sugar solution. He has repeated the same process 4 times and thus there was only 512 gm of honey left in the jar, the rest part of the jar was filled with the sugar solution. The initial amount of honey in the jar was: 30824 25b5cc7d7e4d2b41977751515
5b5cc7d7e4d2b41977751515- 11.25 kgtrue
- 21 kgfalse
- 31.5 kgfalse
- 4None of thesefalse
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Answer : 1. "1.25 kg"
Explanation :
Answer: A) 1.25 kg Explanation: Let the initial amount of honey in the jar was k, then 512 = k1 - 154 or 512 = k454 => k = 512 × 625256 => k = 1250 Hence initially the honey in the jar = 1.25 kg
Q: Three vessels contain alcoholic solutions with the concentrations of alcohol as 0.25, 0.5 and 0.75 respectively. 4 litres from the first, 6 litres from the second and 8 litres from the third are mixed. What is the ratio of alcohol and water in the resultant mixture?
4157 05e8ff35ff681623fa55ff3af
5e8ff35ff681623fa55ff3af- 11: 2false
- 21: 3false
- 31: 1false
- 45: 9false
- 55: 4true
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Answer : 5. "5: 4"
Q: If 4 litres of water is evaporated on boiling from 12 litres of salt solution containing 7 percentage salt, the percentage of salt in the remaining solution is
2394 05f158e3adf5d9515007522a4
5f158e3adf5d9515007522a4- 112 %false
- 213 %false
- 310.5 %true
- 411.5 %false
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Answer : 3. "10.5 % "
Q: The ratio of milk and water in to mixtures A and B are 3:4 and 5:9 respectively. If these two mixtures are mixed in the ratio of 2:3. Then find the ratio of milk and water in the resultant mixture.
714 0602e37a1bb9bb966a304d5a6
602e37a1bb9bb966a304d5a6- 127:43true
- 23:5false
- 38:13false
- 49:11false
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