perplexus.info :: Numbers : A progressive addition

A progressive addition (Posted on 2014-05-19)

   ##
   ##
  ###
+ ###
 ####

In the above addition all the digits were replaced by "#".
Please restore the original numbers, given that in each column the digits form a valid arithmetic progression.

• Based upon a puzzle by Polish mathematician Marek Penshko.

Submitted by Ady TZIDON

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Solution: (Hide)

74 + 63 + 752 + 641 = 1530
Is the only solution with d=-1.
For other values of d, including the trivial d=0 see tomarkin's posts.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re: Other solutions	tomarken	2014-05-19 14:02:46
Other solutions	tomarken	2014-05-19 13:39:33
Trial & Error	Bryan	2014-05-19 13:01:37

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