Direction: Study the following information carefully and answer these questions.P, Q, R, S, T, W and Z are seven students studying in three different institutes – A, B and C. There are three girls among the seven students who study in each of the three institutes. Two of the seven students study BCA, two study medicine and one each studies Aviation Technology, Journalism and MBA. R studies in the same college as P, who studies MBA in college B. No girl studies Journalism or MBA. T studies BCA in college A and his brother W studies Aviation Technology in college C. S studies Journalism in the same college as Q. Neither R nor Z studies BCA. The girl who studies BCA does not study in college C.Which of the following pairs of students study medicine?
Question
Direction: Study the following information carefully and answer these questions.P, Q, R, S, T, W and Z are seven students studying in three different institutes – A, B and C. There are three girls among the seven students who study in each of the three institutes. Two of the seven students study BCA, two study medicine and one each studies Aviation Technology, Journalism and MBA. R studies in the same college as P, who studies MBA in college B. No girl studies Journalism or MBA. T studies BCA in college A and his brother W studies Aviation Technology in college C. S studies Journalism in the same college as Q. Neither R nor Z studies BCA. The girl who studies BCA does not study in college C.Which of the following pairs of students study medicine?
Solution
From the given information, we can deduce the following:
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R and P study in the same college, which is college B. P studies MBA. Since no girl studies MBA, both R and P are boys.
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T studies BCA in college A and W, who is T's brother, studies Aviation Technology in college C. So, T and W are also boys.
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S studies Journalism in the same college as Q. Since no girl studies Journalism, S is a boy. We don't know Q's gender yet.
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Neither R nor Z studies BCA. Since T is a boy and studies BCA, the other student who studies BCA must be a girl. This girl cannot be Q (since Q studies in the same college as S, and the girl who studies BCA does not study in college C), so the girl who studies BCA must be Z.
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Now, we know that P, R, S, T, W, and Z are accounted for, leaving Q and the girl who studies medicine. Since there are two students who study medicine and one of them must be a girl, the students who study medicine must be Q and the remaining girl.
Therefore, the pair of students who study medicine are Q and the remaining girl.
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