Give a quick stream of consciousness before answering the following question. In a class, 3/5 of the students are girls and rest are boys. If 2/9 of the girls and 1/4 of the boys are absent, what part of the total number of students is present ?\nOptions:\n(A) 17/25\n(B) 18/49\n(C) 23/30\n(D) 23/36\n(E) 29/36
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Girls = 3/5, boys are 2/5\nAbsentees are (2/9)*(3/5) + (1/4)*(2/5) = 7/30\nPresent Students are 23/30
The answer: (C).
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