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Six litres of a 35% solution of alcohol in water are mixed with 4 litres of a 45% solution of alcohol in water. The % alcoholic strength of the mixture is1). 492). 393). 364). 48 |
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Answer» Percentage of alcohol in 6 litre solution = 35 Percentage of alcohol in 4 litre solution = 45 Let x% of alcoholic MIXTURE is present Also, ACCORDING to the question (35% of 6) + (45% of 4) = x% of 10 ⇒ 2.1 + 1.8 = x/10 ⇒ x = 39% ∴ The % alcoholic STRENGTH of the mixture is 39. |
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