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The sum of the first 51 positive even integers is 2550. What is the sum of the even integers from 100 to 200 inclusive? Pick:  A) 5,100  B) 7,650  C) 10,100  D) 15,500  E) 20,100
even numbers from 100 to 200=100/2+1= 
<gadget id="calculator">100/2+1</gadget>
<output>51</output>
51   Sum= (200+100)x51/2=7650   So 7,650 is the ans.
<result>B</result>
This topic is locked. If you want to discuss this question please re-post it in the respective forum.
The sum of the first 51 positive even integers is 2550. What is the sum of the even integers from 100 to 200 inclusive?