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one 3 or one 7 puzzle (Posted on 2015-08-06) Difficulty: 3 of 5
N is a 5-digit positive integer, such that:

(i) N contains at least one 3 or at least one 7, and:
(ii) N is divisible by 37.

Determine the total number of values of N satisfying the given conditions.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some Thoughtsre: computer solution vs approximationAdy TZIDON2015-08-06 14:32:01
Solutioncomputer solutionCharlie2015-08-06 13:30:07
Some ThoughtsMy approximation not a spoilerAdy TZIDON2015-08-06 13:18:46
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