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Re: For any numbers a and b, ab= a + b - ab. If ab=0, which of [#permalink]
05 Jul 2012, 23:55

Can someone pls edit the question.? i was wondering where i was going wrong thinking. question was ab=a+b-ab => 2ab=a+b. and then saw bunuel's reply then understood what the question was! _________________

Re: For any numbers a and b, ab= a + b - ab. If ab=0, which of [#permalink]
25 Jul 2012, 00:40

asax wrote:

Can someone pls edit the question.? i was wondering where i was going wrong thinking. question was ab=a+b-ab => 2ab=a+b. and then saw bunuel's reply then understood what the question was!

Even I got it wrong... _________________

I've failed over and over and over again in my life and that is why I succeed--Michael Jordan Kudos drives a person to better himself every single time. So Pls give it generously Wont give up till i hit a 700+

Re: For any numbers a and b, ab= a + b - ab. If ab=0, which of [#permalink]
11 Apr 2013, 03:59

asax wrote:

Can someone pls edit the question.? i was wondering where i was going wrong thinking. question was ab=a+b-ab => 2ab=a+b. and then saw bunuel's reply then understood what the question was!

Re: For any numbers a and b, ab= a + b - ab. If ab=0, which of [#permalink]
11 Apr 2013, 04:06

Expert's post

notsureifseriousor wrote:

asax wrote:

Can someone pls edit the question.? i was wondering where i was going wrong thinking. question was ab=a+b-ab => 2ab=a+b. and then saw bunuel's reply then understood what the question was!

Re: For any numbers a and b, a#b=a + b - ab. If a#b=0, which of [#permalink]
11 Apr 2013, 04:15

Stiv wrote:

For any numbers a and b, a#b=a + b - ab. If a#b=0, which of the following CANNOT be a value of b?

A. 2 B. 1 C. 0 D. -1 E. -3/2

------------------------------------------ for me the fastest way must be the use of answer choices to find the value of a if a will be an integer after putting the value of of b as given in the answer choices then the answer will be correct with no cumbersome calculations & its fast too ....!! _________________

If you don’t make mistakes, you’re not working hard. And Now that’s a Huge mistake.

Re: For any numbers a and b, a#b=a + b - ab. If a#b=0, which of [#permalink]
16 Jul 2014, 20:40

Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________

I´ve done an interview at Accepted.com quite a while ago and if any of you are interested, here is the link . I´m through my preparation of my second...

It’s here. Internship season. The key is on searching and applying for the jobs that you feel confident working on, not doing something out of pressure. Rotman has...