CAT Quant Practice Problems

Question: A certain city has a circular wall around it, and this wall has four gates pointing north, south, east and west. A house stands outside the city, 3 km north of the north gate, and it can just be seen from a point 9 km east of the south gate. What is the diameter of the wall that surrounds the city?

6 km
9 km
12 km
None of these
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CAT Quant Practice Problems
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