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)

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answer

| Comment 39 of 43 |

The required digit in the 26th place is 3.

Posted by K Sengupta on 2008-03-20 09:46:36

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