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no, let me explain from S1, we get xyz =xy (Insufficient) From S2 we can find xyz =0 only if x=0 or y=0 but if z=0 then xyz =xy (Insufficient) see from both statements together also we are unable to get any value of xyz, coz both ends in same result xyz=xy Purnank , geometry is not in focus edition anymore. so it cant come even with any other topic also

damnnn, I did the stupidest thing and lost sight of the question -- moving to is xyz-xy = 0 instead of the actual question .. I’m sorry

I had a question based on Geometry+ P&C, so it can be asked. Although I just had to draw 10 lines and use 10C3.

ohh was question like forming triangle using 10 different lines?

I don’t remember the exact question now but it was already posted here.

While specific geometry knowledge is not tested on GMAT Focus, not everything involving shapes, volumes, or areas requires specialized geometry knowledge. The area of a square or rectangle, the volume of a cube or rectangular solid, and the Pythagorean theorem are not considered specific geometry knowledge by the GMAT and can still be tested. Moreover, a question can involve shapes but test another area, such as combinations or other topics. There are several questions involving these concepts in the GMAT Prep Focus mocks .

Hi all, my brother wanted a source to study quant from, a book with all topics explained from foundation would be excellent, let me know of such a book, thanks very much

You can refer to GmatClub’s quant book.

Get him gmat official or princeton review’s quant guide

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