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1000 PS

presently we are in alpha stage , incase of typos please report at http://thousandps.blogspot.com/2009/11/bugs.html. we would be uploading all the 1000 Questions soon .

Thursday, November 19, 2009

PS 139

The sum of the first 100 positive integers is 5,050. What is the sum of the first 200 positive integers?
(A) 10,100
(B) 10,200
(C) 15,050
(D) 20,050
(E) 20,100

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