perplexus.info :: Just Math : How many subsets?

How many subsets? (Posted on 2015-06-29)

Given that S = {1,2,3,.....,14}, determine the total number of 7-element subsets of S such that the sum of elements of each of the subsets is divisible by 14

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

total number of 7-element subsets of S such that the sum of elements of each of the subsets is divisible by 14 is 246.
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
re: computer solution	Ady TZIDON	2015-06-30 02:18:58
computer solution	Charlie	2015-06-29 19:43:37
simple count	Ady TZIDON	2015-06-29 16:24:32

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