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Two containers of equal capacity are full of a mixture of oil and water. In the first, the ratio of oil to water is

Two containers of equal capacity are full of a mixture of oil and water. In the first, the ratio of oil to water is 4:7 and in the second it is 7:11. Now both the mixtures are mixed in a bigger container. What is the resulting ratio of oil to water? 1. 149 : 247 2. 247: 149 3. 143 : 241 241: 143 5. None of these 4.

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