perplexus.info :: Just Math : 50

50 - Digit Number (Posted on 2003-11-15)

A number of 50 digits has all its digits equal to 1 except the 26th digit. If the number is divisible by 13, then find the digit in the 26th place.

See The Solution Submitted by Ravi Raja

Rating: 3.0000 (7 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: a little more straightforward

| Comment 5 of 43 |

finally a solution i understand lol. gj

Posted by Victor Zapana on 2003-11-16 12:57:06

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