337. In a family, there are six members A, B, C, D, E and F. A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose huasband has died. How is E related to C ?
338. 5 college students need to go see their professor. He has time on Mondays, Wednesdays and Fridays. He can see two students a day, but only one student on Mondays. Mary can go only on Fridays. Alan can go on neither Mondays nor Fridays. Lily cant go on Wednesdays. John cant go on Fridays. Beth can only go on Mondays.
Who must go see the professor on Friday?
(a) Lily and Mary
(b) Alan and Mary
(c) Beth and Mary
(d) John and Mary
339. For a math class, the teacher asks her students to get the following items: A pair of compasses, a ruler, a protractor and a calculator. Parul already has a calculator and so does Judy. Judy and mark are the only ones with protractors. Alice has both a ruler and a pair of compasses, and so does Mark. Judy is only missing a ruler. and John has an item that Mark is missing.
Which of the following must be true?
(a) Alice is only missing a protractor
(b) Parul has a pair of compasses
(c) John has a ruler
(d) Mark is only missing a calculator
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