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You are here: Home / Official GMAT Guides / 2018 Official GMAT Guide /

Question 349 Data Sufficiency 2018 GMAT Official Guide

Question 349 Data Sufficiency 2018 GMAT Official Guide

 
Video explanation: Is the positive two-digit integer N less than 40 ?…

Comments

  1. SO says

    October 13, 2020 at 3:46 PM

    At 2.14 mark, you said that N = 4* 9 -4 = 32 doesn’t satisfy the condition but 32 is less than 40. Did 9 satisfy the condition as well as 8,7,6?

    Reply
    • GMAT Quantum says

      October 20, 2020 at 8:59 AM

      You are right that N=32 does satisfy the condition that N is less than 40, however if N=32, we do not satisfy the condition given in statement 2, which says that N is equal to four less than four times the unit digit. I was referring to the condition given in the statement.

      I am actually going to redo this video and incorporate another approach.

      Reply
    • GMAT Quantum says

      October 20, 2020 at 3:40 PM

      I updated the video with a different explanation.

      Reply

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