Football Jerseys
Twelve children each have a
football jersey.
Each
jersey has a number from 8 to 19.
The
children are paired up.
The
sum of their numbers is a square.
Challenge:
Find
the square numbers.
Find
the jersey numbers of each pair.
Answer:
Square numbers: 25 et 36
Six groups: (8,17),
(9,16), (10,15), (11, 14),
(12,13), (17,19)
