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reproducing from gmattutor group) Two walls face each other [#permalink]
31 Jan 2004, 02:19
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(reproducing from gmattutor group)
Two walls face each other at a certain distance x. A ladder 12m long lies at the bottom of the first wall and rests at the second wall. Another ladder 8m long lies at the bottom of the second wall and rests at the first wall. The two ladders intersect at a point 5m above the ground level (ground is flat between the two walls).