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Mistakes in "Conquering GMAT Maths and integrated Reasoning" [#permalink]
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31 May 2012, 15:52
Hi,
I come to you first, to double check, and then to maybe recap for someone else's use, if what I noticed is confirmed to be mistakes from one of the first books edited including integrated reasoning: Conquering GMAT Maths and Integrated Reasoning", McGraw Hill's, second edition.
Chapter 6, "Integrated Reasoning Questions", page 26. , on the True of False question: the second proposal is different from the one in the solution, and makes the reader feel confused and, of course, mistake on the answer:  in the statement : "The total number of deliveries to Cambridge, MA, in 2009, was approximately 145,000."  in the "solution" : "The total number of items delivered in Cambridge, MA, in 2009, was approximately 145,000."
Did I miss something ?
page 80. : question 1. "Which number is the GCD of 45 and 75 ?" solution p.83 "B"= 225 But I would say... 45 = 3*3*5 = 3^2 * 5 75 = 3*25 = 3* 5^2 GCD(45;75) = 3*5 = 15, answer C. Right ?
Thanks for your opinion.
Regards,
