Alligation and mixture Practice Question and Answer
8 Q: In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc will be
1152 05f17f0a679d4dd4986ec66fc
5f17f0a679d4dd4986ec66fc- 13 : 2false
- 21 : 2false
- 32 : 1true
- 42 : 3false
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Answer : 3. "2 : 1 "
Q: In 50 gm alloy of gold and silver. the gold is 80% by weight. How much gold should be mixed to this alloy so that the weight of gold would become 95%?
1337 05ed4e4bfebc5ce408e271b39
5ed4e4bfebc5ce408e271b39- 1120false
- 2150true
- 3140false
- 4100false
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Answer : 2. "150"
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 %?
1112 05e8b03d97b82aa7479fc4ba1
5e8b03d97b82aa7479fc4ba1- 10 %false
- 225 %true
- 320 %false
- 410 %false
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Answer : 2. "25 % "
Q: The ratio in which two sugar solutions of the concentration 25% and 45% are to be mixed to get a solution of concentration 30% is
2021 05ebb6f97c1aae5429b38e65b
5ebb6f97c1aae5429b38e65b- 14: 3false
- 22: 7false
- 33: 1true
- 43: 5false
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Answer : 3. "3: 1"
Q: There are three containers of equal capacity. The ratio of Sulphuric acid to water in the first container is 3 : 2, that in the second container is 7 : 3 and in the third container it is 11 : 4 . If all the liquids are mixed together, then the ratio of Sulphuric acid to water in the mixture will be:
1848 05f0ed252dcdb5f61f5c4bd73
5f0ed252dcdb5f61f5c4bd73- 161 : 28false
- 259 : 29false
- 361 : 29true
- 460 : 29false
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Answer : 3. "61 : 29 "
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: 30869 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?
4186 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
2423 05f158e3adf5d9515007522a4
5f158e3adf5d9515007522a4- 112 %false
- 213 %false
- 310.5 %true
- 411.5 %false
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