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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 12, 2009

PS 3

If Y = 5X^2 - 2X and X=3 , then Y= ?
(A) 24
(B) 27
(C) 39
(D) 51
(E) 219

1 comment:

AnonymousNovember 16, 2009 at 3:27 PM
Answer : C
as x = 3 , x^2 = 9 .
hence y = 5(9)-2(3) = 45-6 =39
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