How much water (in grams) should be added to a 35%-solution of acid to obtain a 10%-solution?
(1) There are 50 grams of the 35%-solution.
(2) In the 35%-solution the ratio of acid to water is 7:13.
A drink contains only 7 oz. of soda and 3 oz. of juice. A second drink that contains only soda and juice is poured into the first. How many oz. of liquid were poured in?
(1) After the second drink is poured in, 40% of the entire beverage is juice.
(2) 30% of the second drink was soda.
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A 30-ounce pitcher is currently filled to exactly half its capacity with a lemonade mixture consisting of equal amounts of two lemonade brands—A and B. If the pitcher is then filled to capacity to conform to a certain recipe, how many ounces of each lemonade brand must be added to fill the pitcher?
(1) The recipe calls for a mixture that includes 60 percent brand A.
(2) When filled to capacity, the pitcher contains 12 ounces of brand B.
In a certain mixture of oil and vinegar, additional vinegar was added to make a second mixture. How much vinegar was added to the oil to make the second mixture?
(1) Before adding more vinegar, vinegar made up 20% of the mixture.
(2) After adding more vinegar, vinegar made up 35% of the mixture.
In a certain mixture of juice and water, if only water was added to the mixture, how much water was added to the mixture?
(1) After adding water, water made up fifteen percent of the mixture.
(2) Before adding water, water made up ten percent of the mixture.
Jar 1 contains a solution which is 30% nitric acid and 70% water, while Jar 2 contains a solution which is 60% nitric acid and 40% water. How many ml of Jar 1 should be mixed with 100 ml of Jar 2 solution, in order to form an intended solution S?
(1) Solution S is intended to be 40% nitric acid and 60% water.
(2) If similar quantities of solution S and the solution in Jar 1 are taken, then solution S will contain 4/3 times the nitric acid than that present in Jar 1.
A painter wishes to paint a house turquoise. To make the color, he selects an eggshell primer made up of 70% pure-white color, and combines it with a blue base coat in order to create a turquoise color made up of 75% pure-white. How many quarts from the blue base coat should be mixed to make enough turquoise to paint the house?
(1) It will take 300 quarts of paint to cover the house.
(2) The blue base-coat is made up of 90% pure-white color.
A bag contains a mixture of beans and pulses. To achieve 20 percent beans in the mixture, what percent of the mixture should be taken out and replaced with pulses?
(1) The mixture originally has 40 percent beans and 60 percent pulses.
(2) Total quantity of the mixture is 20 lb.
Bottles A and B contain alcohol-water solutions in ratios of 1:3 and 4:1 respectively. X liters of the solution from bottle A are to be mixed with Y liters of the solution from bottle B. What will be the percentage of alcohol in the resultant solution?
(1) X = Y
(2) Total 10 liters of solutions from bottles A and B are mixed.
Charles has 3 different types of bonds: A, B and C. Value of a single bond of type A, a single bond of type B, and a single bond of type C is $2000, $4000 and $6000 respectively. How many total bonds of type B does Charles have ?
(1) On combining bonds of type A and type C, average value per bond is $4000.
(2) On combining bonds of type B and type C, average value per bond is $5200.