x is an integer from 1 to 10. x=?
(1) The tenth digit of 1/x is x
(2) The hundredth digit of 1/x is x
Hi guys I'm running through a 700-800 level download I got from the gmat club downloads section and I am wondering about this question. I searched the forum and didn't see anything posted about this specific question so I hope I am not reposting.
#46 from Gmat Special Questions called "125 Awesome Quant questions.pdf"
* I immediately think, "Ok this is an easy 700 level question, it must be a repeating decimal and the only #'s that don't repeat have 2's and 5's as primes! It must be either 3,6,7,9 right?" Then I think about the length of 1/7 and it's an odd length like 6 numbers so I doubt that's it, it's probably like 3,6,or 9 since you can guarantee .3333 or .16666 or .1111. *
neither option narrows the answer any farther to me so I guessed E
Looked in the answer key and they have
Can anyone explain where I went wrong?