Tag: math & puzzles

An elf makes a Christmas card in the shape of a semi-circle with a radius of 6 inches. He wishes to stick a rectangular picture of 6 inches width and 3 inches height on it, but finds that the picture does not fully fit within the semi-circle.

A farm in Syberland is in the shape of a regular polygon with 12 sides. It is possible to divide the farm equally amongst 12 elves by building 6 straight fences.

If a wreath is made from 8 pieces (of flowers and leaves), then 9 ties (knots) will be needed.

Suse, Fedora, Ubuntu order either coffee or tea after dinner. a)If Suse orders coffee, Fedora orders the drink that is ordered by ubuntu. b)If Fedora orders coffee, Suse do not order the drink that is ordered by Ubuntu. c)If Ubuntu orders tea, Suse orders the same drink ordered by Fedora . Who take the same drink every day.

2,5,11,17,...

1,27,125,343,...

2,6,12,20,30,...

81,64,49,36,..

2,8,20,44,...

97,83,73,67,...