perplexus.info :: Just Math : Floor and Fraction Formulation

Floor and Fraction Formulation (Posted on 2014-07-07)

N is a 4-digit number and let M = S(N/10)* 10⁴ + floor(N/10), where:
S(x) = x - floor(x).

Find all possible values of N such that:
N - M = 3105.

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

N= 3450, 4561, 5672, 6783, 7894, and 9005.
For an explanation, refer to the solution submitted by tomarken in this location.

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

	Subject	Author	Date
	Solution	tomarken	2014-07-07 15:38:04

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