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A 60% spirit solution is mixed with r% spirit solution in the ratio 1 : 3 such that a s% spirit solution is obtained. When a (s/3)% spirit solution is mixed with 55% spirit solution in equal ratio, an (r/2)% spirit solution is obtained. Which of the following can be determined? (A) Value of ‘r’ (B) Value of ‘s’ (C) Volume of the 60% spirit solution mixed initially (D) If 9 liters of r% spirit solution was mixed initially, what was the volume of the s% spirit solution thus obtained?
Principle: Even if a person suffers a loss, he will be entitled to receive compensation only if a legal right is violated.
Factual Situation: An English teacher in a famous 'English School' after having some rift with the management left the school and started a new 'Language School' very close to the English School. Many students of the English School left it and joined the new Language School. As a result, the English School suffered huge financial loss and hence filed a suit for compensation against the new school.
From 600 ml of 40% solution of spirit, some quantity of solution is replaced by 16% solution of spirit. If the mixture so obtained contains 24% solution of spirit, how much solution of 40% spirit was replaced?
A vessel contains spirit and water solution in which there is 80 litres pure spirit. The ratio of spirit and water is 16 : 7. If 46 litres of this solution is taken out and 15 litres of water is added, the quantity of water in the resultant solution is what percent of that of spirit?
A container contains 72 L spirit. Rakesh wants to dilute it, so he draws out 12 L spirit and replaces it with same quantity of water and repeats this process one more time. What is the ratio of spirit and water in the final mixture and the quantity of spirit in the resultant mixture?
30 litres of spirit was mixed with 150 litres of whisky, 30 litres of this mixture was sold and some more quantity of whisky and spirit was added in the respective ratio of 5 : 6. If the final quantity of whisky was 500% of the initial quantity of spirit, what was the quantity of spirit that was added?
4 boys from school A and 6 boys from school B together can set up an exhibition in 5 days, which 5 boys from school A and 10 boys from school C together can do in 4 days or 3 boys from school B and 4 boys from school C together can do in 10 days. Then how many boys from school A can set up the exhibition in one day?
Two different schools, A and B, have the same number of students. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. What is the ratio of the boys in school A to the girls in school A?
In an examination, the number of students that appeared from school A is 20% more than the number of students that appeared from school B. 75% of the students from school B passed. If the total number of students that passed from both schools is 80% more than the number of students that passed from school B, then the percentage of students that passed from school A to those who appeared from school A is∶ 
Seven people, Kamal, Nalini, Namrata, Sheela, Shakti, Arun and Sukanya, study three different subjects - Mathematics, Science and Physics in three different schools - P, Q and R. Less than two and no more than three people study the same subject. Less than two and not more than three people study in the same school. Namrata studies Mathematics in school P which has only one more student named Shakti. Kamal does not study in school R but he is a student of mathematics. Shakti and Sukanya study the same subject. Sheila studies physics in school R. Nalini is also a student of school R. Arun and Sukanya do not study in school R. Nalini and Shakti study science. Arun is a student of which subject?