1.

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

Answer»

GIVEN,

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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