beginners'bin#1

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beginners'bin#1

by sanju09 » Thu Mar 25, 2010 11:40 pm
If 3/p = 6 and 3/q = 15 then p - q =?
(A) 1/4
(B) 3/10
(C) 1/3
(D) 2/5
(E) 5/6

[spoiler]OA B[/spoiler]
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by rockeyb » Fri Mar 26, 2010 1:29 am
3/p= 6 and 3/q= 15

p= 1/2 and q= 1/5

p-q= (1/2-1/5)

[spoiler]p-q= 3/10 . B[/spoiler]
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