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Top Spin (Posted on 2006-10-11) Difficulty: 3 of 5
The numbers 1 to 25 appear randomly on the sides of five pentagonal spinning tops. If all five tops are spun at the same time, the following results could occur.

a) 1  4  9 10 11   b) 2  4 17 21 22   c) 2 11 12 16 24
d) 3  5 16 19 23   e) 3 18 19 24 25   f) 4  9 10 18 19
g) 4 10 18 20 22   h) 4 17 18 19 22   i) 6 10 16 22 23
j) 7 19 22 24 25   k) 8 13 16 18 19   l)10 11 12 14 19
m)10 15 19 21 22   n)10 16 18 20 22   o)13 15 18 19 22
Which five numbers appear on each top?

See The Solution Submitted by Josie Faulkner    
Rating: 4.4000 (10 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: different solution than the others... | Comment 13 of 14 |
(In reply to different solution than the others... by loretta)

re:

-1-2-6-19-20-
-5-11-18-21-23-
-4-7-14-15-16-
-8-9-12-22-25-
-3-10-13-17-24-

This set of tops fails for:

d) 3  5  16  19  23
e) 3  18  19  24  25
j) 7  19  22  24  25

Edited on November 6, 2006, 10:13 am
  Posted by Charlie on 2006-11-06 10:11:46

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