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### Mathematical Skills | Ratio and Proportion

 Q. No. 1: Several litres of acid were drawn off a 54L vessel full of acid and an equal amount of water added. Again the same volume of the mixture was drawn off and replaced by water. As a result the vessel contained 24 L of pure acid. How much of the acid was drawn off initially? A : 12L B : 16L C : 18L D : 24L Solution
 Q. No. 2: Rs 6500 were divided equally among a certain number of persons. Had there been 15 more persons each would have got Rs 30 less. Find the original number of persons A : 50 B : 60 C : 40 D : 55 Solution
 Q. No. 3: Rs 770 has been divided among A,B and C such that A receives 2/9th of what B and C together receives. Then A's share is A : Rs 140 B : Rs 154 C : Rs 165 D : Rs 170 Solution
 Q. No. 4: If the ratio of boys to girls in a class is B and the ratio of girls to boys is G, then 3(B+G) is A : equal to 3 B : less than 3 C : more than 6 D : less than 1/3 Solution
 Q. No. 5: In a mixture of 45L the ratio of milk and water is 3:2. How much water must be added to make the ratio 9:1? A : 10L B : 15L C : 17L D : 20L Solution
 Q. No. 6: The monthly income of two persons are in the ratio of 4:5 and their monthly expenditure are in the ratio of 7:9. If each saves Rs 50 a month, then what are their monthly incomes? A : Ra 100, Rs 125 B : Rs 200, Rs 250 C : Rs 300, Rs 375 D : Rs 400, Rs 500 Solution
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