perplexus.info :: Just Math : 5 partitions

5 partitions (Posted on 2012-11-21)

Grandma Jones bought 15 identical chocolate bars for her six grandchildren (named A,B,C,D,E and F).

How many possible ways to divide those bars are there for each of the following exclusive cases:

a) Each of the grandchildren gets a distinct number of bars
b) Only two of the grandchildren get the same number of bars
c) Each of the grandchildren gets at least 1 chocolate bar
d) No restrictions
e) A gets more than B, no other restrictions

No Solution Yet Submitted by Ady TZIDON

Rating: 3.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: By hand corrected

Comment 3 of 3 |

(In reply to By hand by Jer)

There were 6 grandchildren , not 5.

But even for 5 , most of the results are wrong, e.g. (d) 3886

s.b . 3876 and (c) 981 s.b. 1001.

Posted by Ady TZIDON on 2012-11-21 18:37:17

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