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# GMAT: Data sufficiency 5

22-27, pg. 279. Created by Sal Khan.

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• Q.23, statement 2 (TIME ) states that "points q and r lie on the same circle with center p" does this necessarily imply that both q and r have to lie on the circumference and not anywhere else on the circle? If not, then QP and RP will not be equal to the radius and hence not equal to each other. Therefore answer to the question would be A. • Q.24 asks whether X is between 0.2 and 0.7. The first statement says that X < 0.5, which could still mean that X is 0.1 (Not satisfying 0.2<x<0.7) and the second statement says that X < 0.4, which could still be 0.1 (Also, not satisfying 0.2<x<0.7). Neither statement tells us that X lies between 0.2 and 0.7. It certainly informs us that it cant be greater than 0.5, which satisfies the upper bound of 0.7, but it can still be less than 0.2..Neither statement is informative about X's real value. • Q23, @ ; If one wasn't referring to the printed question and relied solely on the narration & captioning from this video, then it sounded (and was transcribed!) as "Q & R lie IN the circle.." which would make statement 2 insufficient. Actual question states Q & R lie ON the circle, which automatically makes statement 2 sufficient.
(1 vote) • I think it is the way the question was asked. From the way I understood it, it is just asking if the number is between 0.2 and 0.7? I am confused  