What is the sum of this series?
1, 3, 5, 7, 9, ...... 77.  Choices:
A) 1666	B) 1555	C) 1777	D) 1444	E) 1333
Number of odd numbers between 1 and 59 is (77+1)/2=38   Therefore Sum of odd numbers   38*38= 
<gadget id="calculator">  38*38</gadget>
<output>1_444</output>
1444   ANSWER: 1444
<result>D</result>
What is the sum of this series?
1, 3, 5, 7, 9, ...... 77.