perplexus.info :: Just Math : Integer Count Illation

Integer Count Illation (Posted on 2015-10-12)

Find the total number of 5-digit positive integers N such that:
The sum of the first digit and the third digit of N is equal to its second digit, and:
The sum of the third digit and the fifth digit of N is one more than its fourth digit.

*** Assume non leading zeroes for each of the values of N.

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

There are 357 such numbers.
For an explanation, refer to the solution submitted by Charlie in this location.

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

	Subject	Author	Date
	solution	Charlie	2015-10-12 15:29:02

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