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set 26 Q 26

by radhika1306 » Tue Sep 11, 2007 11:11 am
When 15n, where n is a positive integer, is divided by 6, the remainder is x. What is the value of
x?
(1) When n is divided by 2, the remainder is 0.
(2) When n is divided by 3, the remainder is 0.
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by kajcha » Tue Sep 11, 2007 11:51 am
Should be A

15n can be written as 3*5*n

Stmt 1 - 2 is a factor of n and 3 is a factor of 15. So 15n divided by 6 will give remainder 0 SUFF

Stmt 2 - When n = 6 remainder = 0
When n = 9 remainder = 1 NOT SUFF
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by radhika1306 » Thu Sep 13, 2007 9:49 am
thank u
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