perplexus.info :: Numbers : A counting task

A counting task (Posted on 2018-08-23)

a. How many 5-digit numbers exist where one of its digits equals the sum of all other digits?
b. What is the sum of all those numbers?

No leading zeroes.

See The Solution Submitted by Ady TZIDON

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re: counting

| Comment 4 of 7 |

(In reply to counting by Steven Lord)

i2 should be multiplied by 1000 rather than by 100

Posted by Charlie on 2018-08-23 10:39:44

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