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# If # , $represent digits , is 7#$ divisible by 15? 1. Sum

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CEO
Joined: 15 Aug 2003
Posts: 3469
Followers: 61

Kudos [?]: 702 [0], given: 781

If # , $represent digits , is 7#$ divisible by 15? 1. Sum [#permalink]  08 Oct 2003, 00:48
00:00

Difficulty:

(N/A)

Question Stats:

100% (01:05) correct 0% (00:00) wrong based on 1 sessions
If # , $represent digits , is 7#$ divisible by 15?

1. Sum of # and $is 11 2. 34,2#$ / 5 is an integer

Thanks
Praetorian
SVP
Joined: 03 Feb 2003
Posts: 1608
Followers: 6

Kudos [?]: 76 [0], given: 0

(1) #+$=11 9+2 8+3 7+4 6+5 5+6 4+7 3+8 2+9 NOT SUFF 792 is not div by 15, but 765 is (2) # is any digit,$=0 or 5
NOT SUFF, 765 is div by 15, but 760 is not.

Combine: only 765 is possible, which is divisible by 15. Therefore, it is C.
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