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We can determine square root of 9 by repeatedly subtracting ____ consecutive odd numbers from it.

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answer is B.

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Detailed Solution

We can determine square root of 9 by repeatedly subtracting 3 consecutive odd numbers from it.

1. 9-1 = 8

2. 8-3 = 5

3. 5-5 = 0

Thus, we have subtracted consecutive odd numbers from 9 starting from 1. 0 is obtained in the 3^rd step. So, we have √9 = 3.

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