Average= (36+49+64+81+100)/5
=330/5
=66
.... 49, 36, 25, 16, 9, 4 and 1
36, 49, 64, 81, 100
There are a few possibilities, but 100 is the most likely.
4, 9, 16, 25, 36, 49, 64, 81, and 100
36, 49, 64 and 81
-100
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
1491625364964811001, 4, 9, 16, 25, 36, 49, 64, 81, and 100
1, 4, 9, 16, 25, 36, 49, 64, 81, 100
101
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144
49/64*100=76.5625%