Alligation or Mixture problems
A person has Rs. 5000. He invests a part of it at 3% per annum and the remainder at 8% per annum simple interest. His total income in 3 years is Rs. 750. Find the sum invested at different rates of interest.

Rs. 3000 and Rs. 2000
Rs. 2000 and Rs. 3000
Rs. 2750 and Rs. 2250
Rs. 2500 and Rs. 2500

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Alligation or Mixture problems
An alloy of copper and bronze weight 50g. It contains 80% Copper. How much copper should be added to the alloy so that percentage of copper is increased to 90%?

60 gm
50 gm
45 gm
55 gm

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Alligation or Mixture problems
Equal quantities of three mixtures of milk and water are mixed in the ratio 1:2, 2:3 and 3:4. The ratio of water and milk in the mixture is?

115 : 201
147 : 185
97 : 102
193 : 122

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Alligation or Mixture problems
8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 65. How much wine did the cask hold originally?

24 litres
42 litres
18 litres
32 litres

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