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### Mathematical Skills | Mixtures and Alligations

 Q. No. 1: If a certain quantity of 40% HCL is mixed with 60% HCL in the ratio 4:1. This is mixed with 32% HCL in the ratio 2:1. From this, 25 L is removed and replaced with 50 L water to get 20% HCL. What is the amount of 60% HCL(in Litres)  taken for the the entire process? A : 30 B : 25 C : 20 D : 10 Solution
 Q. No. 2: Three Jugs namely P,Q and R each contain 100ml of lime-water solution. The ratio of lime to water in the jug P,Q and R is 1:3, 1:4 and 2:3 respectively. 40ml of solution is transferred from jug P to Jug R and then 28ml of solution is transferred from jug R to jug Q. Find the the final ratio of lime in the jug P,Q and R. A : 3:6:8 B : 6:15:20 C : 15:28:42 D : 8:15:24 Solution
 Q. No. 3: There are two alloys A and B. Alloys A contains metals P, R and S. Alloy B contains metals P and Q. Both alloys contains 60% of metal P. They are mixed to form a third alloy. the percentage of metal Q in the third alloy is half of that of metal P in it. The ratio of percentage of R and S in Alloy A is 3:1. Find the ratio of quantities of R in Alloy A and Q in Alloy B, which are mixed to form the third alloy. A : 3:2 B : 2:3 C : 3:4 D : 1:4 Solution
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