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Sum of Integers

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by Akansha » Sun May 29, 2011 10:38 am
Sum of 1st 50 positive integers is 2550. What is sum of even integers from
102 to 200 inclusive?
a. 5100
b. 7550
c. 10100
d. 15500
e. 20100

OA is B
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by Stuart@KaplanGMAT » Sun May 29, 2011 11:00 am
Akansha wrote:Sum of 1st 50 positive integers is 2550. What is sum of even integers from
102 to 200 inclusive?
a. 5100
b. 7550
c. 10100
d. 15500
e. 20100

OA is B
Hi!

This question has been posted quite a few times. Here's one discussion:

https://www.beatthegmat.com/gmat-numbers-t10420.html

The "Search Beat the GMAT" function (top right of the page) is very useful and it's always worth putting in a few keywords from your question to see if it's been previously discussed.

Have a great day!
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by sameerballani » Sun May 29, 2011 11:09 am
Akansha wrote:Sum of 1st 50 positive integers is 2550. What is sum of even integers from
102 to 200 inclusive?
a. 5100
b. 7550
c. 10100
d. 15500
e. 20100

OA is B
It must be Sum of 1st 50 EVEN positive integers is 2550.
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