求解2道数学题

zy04215 · 发表于 2011-7-28 14:53:34

1   What fractional part of the total surface area of cube C is red?   1) Each of 3 faces of C is exactly 1/2 red
  2) Each of 3 faces of C is entirely white

data sufficiency...答案C。。

2   The figure above (图给的是一个长方体，长20 inches,宽8inches,高2inches)shows the dimensions of a rectangular box that is to be completely wrapped with paper. If a single sheet of paper is to be used without patching, then the dimensions of the paper could be
  A   17 in by 25 in
  B   21 in by 24 in
  C   24 in by 12 in
  D   24 in by 14 in
  E   26 in by 14 in

求大神赐教

zy04215 · 发表于 2011-7-28 18:35:12

我顶啊

dannywerra · 发表于 2011-7-28 18:56:55

第二道题只有24*21那个大于cube的表面积吧。。。。第一道题应该是C因为6个面的情况都给了你了。。。

求解2道数学题

所属分类: GMAT考试

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