How many odd numbers between 10 and 1600 are the squares of integers?	Answers:
A) 9 B) 12 C) 15 D) 18 E) 21
The numbers are the squares of 5, 7, 9,...,39 which includes 18 numbers.   The answer is 18.
<result>D</result>
How many odd numbers between 10 and 1600 are the squares of integers?