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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 .

Monday, November 23, 2009

PS 168

Which of the following is the prime factorization of 2,520?
(A) (2^2)*(3^2)*(5^2)
(B) (2^2)*(3)*(5^2)*(7)
(C) (2^3)*(3)*(5)*(7^2)
(D) (2^3)*(3^2)*(5)*(7)
(E) (2^3)*(3^2)*(5^2)*(7)

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