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Walking the Blank (Posted on 2013-08-19) Difficulty: 3 of 5
Find the probability that if each of the digits 0, 1, 2, ..., 9 be placed exactly once in random order in the blank spaces of:

5_383_8_2_936_5_8_203_9_3_76

the resulting number will be divisible by 396.

No Solution Yet Submitted by K Sengupta    
Rating: 3.5000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: spoiler, hopefully | Comment 2 of 4 |
(In reply to spoiler, hopefully by Ady TZIDON)

73-(17+45)=11, which is divisible by 11. Therefore, the probability is 1.



  Posted by Math Man on 2013-08-19 11:09:15
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