How many odd numbers between 10 and 1,000 are the squares of integers?  Choose the correct choice from the following.
A) 12 B) 13 C) 14 D) 15 E) 16
The square of an odd number is an odd number:   10 &lt; odd &lt; 1,000   10 &lt; odd^2 &lt; 1,000   3.something &lt; odd &lt; 31.something (by taking the square root).   So, that odd number could be any odd number from 5 to 31, inclusive: 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, and 31.   14 numbers.   Answer: 14.
<result>C</result>
How many odd numbers between 10 and 1,000 are the squares of integers?