CAT Quant Practice Problems

Question: A sprinter starts running on a circular path of radius r metres. Her average speed (in metres/minute) is \(\pi r\)during the first 30 seconds,\(\frac{{\pi r}}{2}\)during next one minute,\(\frac{{\pi r}}{4}\)during next 2 minutes,\(\frac{{\pi r}}{8}\) during next 4 minutes, and so on. What is the ratio of the time taken for the nth round to that for the previous round?

4
8
16
32
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CAT Quant Practice Problems
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