3 Pawn Puzzles

Add 3 pawns on the following 7 * 7 board; such that there will be only one pawn in any vertical, horizontal, and diagonal line!

Answer:

Find Numbers for Letters

In the following equation, each number is replaced with its corresponding letter. Can you find the right number for each letter?

Answer:

5 Birds

Re-position the following letters to form 5 bird names!

L O W: _ _ _
T O R P A R: _ _ _ _ _ _
O O O E P H: _ _ _ _ _ _
B A R I L L P S H: _ _ _ _ _ _ _ _ _
F E E W R R N N: _ _ _ _ _ _ _ _

Answer:

1. OWL
2. PARROT
3. HOOPOE
4. SHARPBILL
5. FERNWREN

Pulleys and Pinions

In the following figure, the diameter of pulley A is twice that of pulley B, and pinions C, D and E have 15, 5, and 10 teeth, respectively. If  pulley A rotates four times, how many times will pinion E rotate?

Pulleys and Pinions Puzzle

Answer:

12 times.
C rotates 8 times where it has 15 teeth (8 * 15). E has 10 teeth: (8 * 15) / 10 = 12.

One with More Triangles

Which of the following two figures does contain more triangles?

Figure A

Figure B

Answer:

Both figures contain 24 triangles!