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This is a Kaplan question from one of its CATs. Could it be that we have to put up with not only tougher and longer questions than the real GMAT but also with wrong answers?

1) doesn't tell us whether it is an integer or not 2) X^2 is an integer ... what else do we need to prove

1 and 2, integer X is between 1 and 4 i.e. 2 or 3. square either of these and subtract from 49.... what we get..an integer.

hmm..

E is definitely the answer, after having a beer and pizza - it hit me. x^2 can be an integer but x does not have to be. example - 1.733 = x thus x^2 will be 3 thus you'll be left with yes, no. Tis a tricky little bugger!

1) doesn't tell us whether it is an integer or not 2) X^2 is an integer ... what else do we need to prove

1 and 2, integer X is between 1 and 4 i.e. 2 or 3. square either of these and subtract from 49.... what we get..an integer.

hmm..

E is definitely the answer, after having a beer and pizza - it hit me. x^2 can be an integer but x does not have to be. example - 1.733 = x thus x^2 will be 3 thus you'll be left with yes, no. Tis a tricky little bugger!

Titleist, sqrt(3) = 1.7320508075688772935274463415059 ......
noone is gonna take square of this as an integer..

1) doesn't tell us whether it is an integer or not 2) X^2 is an integer ... what else do we need to prove

1 and 2, integer X is between 1 and 4 i.e. 2 or 3. square either of these and subtract from 49.... what we get..an integer.

hmm..

E is definitely the answer, after having a beer and pizza - it hit me. x^2 can be an integer but x does not have to be. example - 1.733 = x thus x^2 will be 3 thus you'll be left with yes, no. Tis a tricky little bugger!

Titleist, sqrt(3) = 1.7320508075688772935274463415059 ...... noone is gonna take square of this as an integer..

sq of a real value can't be an integer ...

Why not? As infinite as the decimals are, 1.732... is in the range 1<x<4. And if squared, it is the number 3. I'm assuming this is what Kraplan is thinking.

1) doesn't tell us whether it is an integer or not 2) X^2 is an integer ... what else do we need to prove

1 and 2, integer X is between 1 and 4 i.e. 2 or 3. square either of these and subtract from 49.... what we get..an integer.

hmm..

E is definitely the answer, after having a beer and pizza - it hit me. x^2 can be an integer but x does not have to be. example - 1.733 = x thus x^2 will be 3 thus you'll be left with yes, no. Tis a tricky little bugger!

Titleist, sqrt(3) = 1.7320508075688772935274463415059 ...... noone is gonna take square of this as an integer..

sq of a real value can't be an integer ...

Why not? As infinite as the decimals are, 1.732... is in the range 1<x<4. And if squared, it is the number 3. I'm assuming this is what Kraplan is thinking.

I don't think this is easy for a logical gmat test-maker to digest. if the question asks to provide the approx value, then I will bow, else nayy...
kaplan's thinking is OHT (over-head transmission) for me. one can comprehend better, thru kaplan, only if one tries to put his/her own reasoning.. hate kaplan haha..!!

1) doesn't tell us whether it is an integer or not 2) X^2 is an integer ... what else do we need to prove

1 and 2, integer X is between 1 and 4 i.e. 2 or 3. square either of these and subtract from 49.... what we get..an integer.

hmm..

E is definitely the answer, after having a beer and pizza - it hit me. x^2 can be an integer but x does not have to be. example - 1.733 = x thus x^2 will be 3 thus you'll be left with yes, no. Tis a tricky little bugger!

Titleist, sqrt(3) = 1.7320508075688772935274463415059 ...... noone is gonna take square of this as an integer..

sq of a real value can't be an integer ...

Why not? As infinite as the decimals are, 1.732... is in the range 1<x<4. And if squared, it is the number 3. I'm assuming this is what Kraplan is thinking.

I don't think this is easy for a logical gmat test-maker to digest. if the question asks to provide the approx value, then I will bow, else nayy... kaplan's thinking is OHT (over-head transmission) for me. one can comprehend better, thru kaplan, only if one tries to put his/her own reasoning.. hate kaplan haha..!!

Dj, you're just too smart for this exam - definitely smarter than the test writers at Kraplan. I think the little devils at ETS may also pull this crap on the exam.

Today, 1st year Rotman students had a great simulation event hosted by Scotiabank, one of Canada’s best and largest banks. Attended by entire Rotman 1st year students, the...

Nope. I never learned finance ever in my life until I came to Rotman. This is why I got really frustrated when this term started because I was certain...