CAT Quant Practice Problems

Question: The length of a ladder is exactly equal to the height of the wall it is learning against. If lower end of the ladder is kept on a stool of height 3 m and the stool is kept 9 m away from the wall, the upper end of the ladder coincides with the top of the wall. Then the height of the wall is

12 m
15 m
18 m
11 m
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CAT Quant Practice Problems
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