App Logo

No.1 PSC Learning App

1M+ Downloads
In a 50 litre maximum of alchohol and water, quantity of water is 30%. What amount of water should be added to this mixture so as to make the quantity of water 45% in the new mixture?

A17 7/11 litre

B15 7/11 litre

C13 7/11 litre

D14 7/11 litre

Answer:

C. 13 7/11 litre

Read Explanation:

In the present mixture 35 Litre is Alcohol and 15 ltr is water And in the new mixture, only water is added. Alcohol remains same ie, 35 Ltr. If x litre water is added then new mixture contain (50 + x ) litre. According to the question new mixture should contain 45% of water ie, 55% of alcohol. (50 + x) * 55/100 = 35 x = 13 7/11 Litre


Related Questions:

X ൻ്റെ X% 36 ആയാൽ X ൻ്റെ വില കണ്ടെത്തുക
31% of 210 + 49% of 320 - 41% of 120 =
The sum of the number of boys and girls in a school is 300.If the number of boys is x, then the number of girls becomes x% of the total number of students. How many girls are there in the school?
If A's income is 25% less than B's income, by how much percent is B's income more than that of A?
Tax on a commodity is decreased by 10% and thereby its consumption increases by 8%. Find the increase or decrease percent in the revenue obtained from the commodity.