beginners'bin#6

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beginners'bin#6

by sanju09 » Sat Mar 27, 2010 4:15 am
If a building, b feet high casts a shadow f feet long, then, at the same time of day, a tree, t feet high will cast a shadow how many feet long?
(A) f t/b
(B) f b/t
(C) b/f t
(D) t b/f
(E) t/f b
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by eaakbari » Sat Mar 27, 2010 4:20 am
IMO A

As triangles formed by building and tree will be similar, just use ratios