Math (PS)
Comet A is seen near the Earth every 12 years while comet B every 20 years. If both comets were observed in 1979, for how many years do we have to wait to see the two comets together again? (Assume now is 2004)
(A) 16
(B) 20
(C) 25
(D) 32
(E) 35
Correct Answer - E - (click and drag your mouse to see the answer)
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Verbal (CR)
Choi: All other factors being equal, children whose parents earned doctorates are more likely to earn a doctorate than children whose parents did not earn doctorates.
Hart: But consider this: Over 70 percent of all doctorate holders do not have a parent that also holds a doctorate.
Which of the following is the most accurate evaluation of Hart's reply?
(A) It establishes that Choi's claim is an exaggeration.
(B) If true, it effectively demonstrates that Choi's claim cannot be accurate.
(C) It is consistent with Choi's claim.
(D) It provides alternative reasons for accepting Choi's claim.
(E) It mistakes what is necessary for an event with what is sufficient to determine that the event will occur.
Correct Answer - C - (click and drag your mouse to see the answer)
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