Alligation MCQs
Alligation MCQs
Answer these 10+ Alligation MCQs and assess your grip on the subject of Alligation.
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1: In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength?
A. 2:1
B. 3:1
C. 1:2
D. 1:3
2: A trader has 50 kg of pulses, part of which he sells at 14% profit and rest at 6% loss. On the whole his loss is 4%. How much quantity is sold at 14% profit and that at 6% loss?
A. 15 kg, 35 kg
B. 5 kg, 45 kg
C. None
D. 10kg, 40 kg
3: An alloy contains zinc, copper and tin in the ratio 2:3:1 and another contains copper, tin and lead in the ratio 5:4:3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in new alloy will be:
A. 1/2 kg
B. 7/9 kg
C. 1/8 kg
D. 3/14 kg
4: The ratio, in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg so that the mixed tea when sold for Rs. 194.40 per kg, gives a profit of 20%.
A. 5:2
B. 2:5
C. 3:5
D. 5:3
5: Weights of two friends Ram and Shyam are in the ratio 4:5. If Ram's weight is increased by 10% and total weight of Ram and Shyam become 82.8 kg, with an increases of 15%. By what percent did the weight of Shyam has to be increased?
A. 19%
B. 10%
C. 16%
D. 21%
6: A vessel contains milk and water in the ratio 3:2. The volume of the contents is increased by 50% by adding water to it. From this resultant solution 30 L is withdrawn and then replaced with water. The resultant ratio of milk water in the final solution is 3:7. Find the original volume of the solution.
A. 80 L
B. 82 L
C. 75 L
D. 65 L
7: In a 729 litres mixture of milk and water, the ratio of milk to water is 7:2. to get a new mixture containing milk and water in the ratio 7:3, the amount of water to be added is:
A. 56 litres
B. 50 litres
C. 71 litres
D. 81 litres
8: 3 L water is taken out from vessel full of water and substituted by pure milk. This process is repeated two more times. Finally, the ratio of milk and water in the solution becomes 1728:27. Find the volume of the original solution.
A. 5 L
B. 9 L
C. 3 L
D. 4 L
9: Three types of wheat of Rs. 1.27, Rs. 1.29 and Rs. 1.32 per kg are mixed together to be sold at Rs. 1.30 per kg. In what ratio should this wheat be mixed?
A. 2:2:3
B. 1:2:3
C. 2:3:1
D. 1:1:2
10: From a container, full of pure milk, 20% is replaced by water and this process is repeated three times. At the end of third operation, the quantity of pure milk reduces to:
A. 51.2%
B. 58.8%
C. 50.0%
D. 40.0%
11: In a zoo, there are deers and ducks. If the heads are counted, there are 180, while the legs are 448. What will be the number of deers in the zoo?
A. 22
B. 136
C. 44
D. 68
12: An amount of Rs. 680 was invested at 6% rate of interest and another sum of money was invested at 10% interest. If the average interest on the total at the end of the year was 7.5%, how much was invested at 10%?
A. Rs. 412.6
B. Rs. 267.5
C. Rs. 408
D. None
13: In a zoo, there are Rabbits and Pigeons. If heads are counted, there are 200 and if legs are counted, there are 580. How many pigeons are there?
A. 90
B. 120
C. 110
D. 100
14: A lump of two metals weighing 18 g is worth Rs. 87 but if their weight is interchanged, it would be worth Rs. 78.60. If the price of one metal be Rs. 6.70 per gram, find the weight of the other metal in the mixture.
A. 15g
B. 12g
C. 8g
D. 18g
15: To gain 10% on selling sample of milk at the cost price of pure milk, the quantity of water to be mixed with 50 kg. of pure milk is:
A. 10 kg
B. 5 kg
C. 2.5 kg
D. 7.5 kg
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