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A mixture containing 75% of oil is mixed with another mixture containing 88% oil in the ratio 1 : 4. Find the percentage of oil in the mixture formed.

Correct Answer: 85.4%
The mixture is mixed in a ratio 1 : 4. Let the quantities of mixtures mixed be 100 and 400 litres, respectively. The amount of oil in the mixture formed = 75 * 100 / 100 + 88 * 400 / 100 = 75 + 352 = 427 litres The percentage of oil in the mixture formed = 427 / 500 * 100 = 85.4%

A mixture containing 63% of oil is mixed with another mixture containing 89% oil in the ratio 1 : 11. Find the percentage of oil in the mixture formed.

A mixture containing 57% of oil is mixed with another mixture containing 28% oil in the ratio 4 : 1. Find the percentage of oil in the mixture formed.

A mixture containing 84% of oil is mixed with another mixture containing 57% oil in the ratio 9 : 23. Find the percentage of oil in the mixture formed.

A mixture containing 45% of oil is mixed with another mixture containing x% of oil in a ratio 3 : 5. If the quantity of oil in the final mixture is 50% of the mixture, find the value of x.

A solution containing 35% of oil is mixed with another mixture containing x% of oil in a ratio 2 : 3. If the mixture so formed contains 20% of oil, find the value of x.

A solution containing 95% of oil is mixed with another mixture containing x% of oil in a ratio 3 : 2. If the mixture so formed contains 60% of oil, find the value of x.

A mixture containing 66% of acid is mixed with another mixture containing 35% of acid in the ratio 2 : 5. Find the percentage of acid in the mixture formed.

A mixture containing 33% of ethanol is mixed with another mixture containing 98% ethanol in the ratio 7 : 3. Find the percentage of ethanol in the mixture formed.

A mixture containing 27% of milk is mixed with another mixture containing 68% milk in the ratio 1 : 13. Find the percentage of milk in the mixture formed.

A mixture containing 41% of acid is mixed with another mixture containing 80% acid in the ratio 9 : 8. Find the percentage of acid in the mixture formed.