Brain Teasers / Games

Ling o'Tree

Each of the following clues describes two words. One of the words is a type of tree. The other word is that tree with one of the following changes: a letter added anywhere (pine spine), a letter deleted anywhere (larch arch), a letter changed anywhere (birch birth). There is no rearrangement of the other letters. No tree is used more than once.

1) This is an older tree.
2) This is a well-known tree.
3) This is a feeble tree.
4) This is a man tree.
5) This tree is related to an ox.
6) This tree makes hasty decisions.
7) This tree is used to steer a ship.
8) This tree is a soothing lotion.
9) This is tree hair.
10) This is something a tree uses when sleeping.
11) This is a cloth made from a tree.
12) This is the erratic left-right movement of a tree.

Country Club

Which country in Group B can be added to Group A? Why? It has nothing to do with spelling or pronunciation.

Group A: Argentina, Dominican Republic, Ethiopia, Malaysia
Group B: Cambodia, France, Greece, Norway, Portugal, Somalia

Fake Stone

I am a fake stone,
I am green without envy.
I am three in one,
I can symbolize the Trinity.

What am I?

Class Photo

Jacob's class picture has 40 photos arranged in a 8 x 5 grid. The photos in the top row are numbered 1 through 8 from left to right, with the photos in the remaining rows similarly numbered (as shown below). Given the following clues (bordering includes horizontal, vertical, and diagonal), where is Jacob's picture?

X X X X X X X X (1 - 8)
X X X X X X X X (9 - 16)
X X X X X X X X (17 - 24)
X X X X X X X X (25 - 32)
X X X X X X X X (33 - 40)

1) There are 20 boys and 20 girls.
2) Each row and column has at least two girls, but no more than four girls.
3) Every girl borders at least one other girl.
4) Girls are located at positions that are prime numbers.
5) Boys are located at positions that are either squares or cubes.
6) Jacob is the only boy that borders a unique number of girls.

Call 911

What is the meaning of this rebus?

Buse, train derailment!
Emic, head-on collision!
Oint, apartment on fire!
Rena, bank robbery in progress!