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amitdgr
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Do we have to study * Solids like Pyramids, Cones, Spheres 12 Sep 2008, 23:04
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Do we have to study

* Solids like Pyramids, Cones, Spheres etc... ?
* Number Systems like Binary, Octal etc. ?

Can we blindly follow the list of topics mentioned in OG 11 on Page 107 ?

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Do we have to study * Solids like Pyramids, Cones, Spheres 13 Sep 2008, 08:08
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one month ago i did the test there wasnt a single 3D figure problem, which is a bad actually cuz this is a rather easy topic - easy marks
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Do we have to study * Solids like Pyramids, Cones, Spheres 13 Sep 2008, 11:35
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You won't need any formulas for the volumes of 3-d shapes like cones, pyramids or spheres. You should know, however, that if you take a 2-dimensional shape and 'stretch it out' vertically, the volume is just the area of the base times the height. So, a cylinder's volume is just (Pi*r^2)*h, and the volume of a box with dimensions l by w by h is just (l*w)*h.

I suppose it's possible that you could see a GMAT question about binary notation, though it seems unlikely. It is not a topic you are supposed to know anything about for the test, so if there ever was such a GMAT question, the question itself would need to explain what binary notation means- you would not need to have studied binary in advance.
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Do we have to study * Solids like Pyramids, Cones, Spheres 14 Sep 2008, 11:07
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IanStewart
You won't need any formulas for the volumes of 3-d shapes like cones, pyramids or spheres. You should know, however, that if you take a 2-dimensional shape and 'stretch it out' vertically, the volume is just the area of the base times the height. So, a cylinder's volume is just (Pi*r^2)*h, and the volume of a box with dimensions l by w by h is just (l*w)*h.

I suppose it's possible that you could see a GMAT question about binary notation, though it seems unlikely. It is not a topic you are supposed to know anything about for the test, so if there ever was such a GMAT question, the question itself would need to explain what binary notation means- you would not need to have studied binary in advance.
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Thanks Ian. That addresses my concern :)
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Do we have to study * Solids like Pyramids, Cones, Spheres 08 Nov 2008, 20:47
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I had a question on a volume of a cone and its surface area compared to cylinder so YOU NEED TO KNOW VOLUMES OF 3-D objects

IanStewart
You won't need any formulas for the volumes of 3-d shapes like cones, pyramids or spheres. You should know, however, that if you take a 2-dimensional shape and 'stretch it out' vertically, the volume is just the area of the base times the height. So, a cylinder's volume is just (Pi*r^2)*h, and the volume of a box with dimensions l by w by h is just (l*w)*h.

I suppose it's possible that you could see a GMAT question about binary notation, though it seems unlikely. It is not a topic you are supposed to know anything about for the test, so if there ever was such a GMAT question, the question itself would need to explain what binary notation means- you would not need to have studied binary in advance.
Show more



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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Thank you for understanding, and happy exploring!