# CAT 2001 | Question: 16

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A ladder leans against a vertical wall. The top of the ladder is $8$ m above the ground. When the bottom of the ladder is moved $2$ m farther away from the wall, the top of the ladder rests against the foot of the wall. What is the length of the ladder?

1. $10$ m
2. $15$ m
3. $20$ m
4. $17$ m

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