The sum of the first 30 positive even integers is 930. What is the sum of the first 30 odd integers? Choose the correct choice from the following options.
A) 930 B) 900 C) 960 D) 975 E) 980
Sum of first n even numbers = n(n+1) =930   Sum of first n odd numbers = n^2 = 30*30= 
<gadget id="calculator">30*30</gadget>
<output>900</output>
900 (here n=30)   Answer : 900
<result>B</result>
The sum of the first 30 positive even integers is 930. What is the sum of the first 30 odd integers?