Answer to Game No 17: Joining Nine Dots

Join the dots (number) 1, 4, 7 from top to bottom. then 7, 5, 3, diagonally, then come to 2, 6, 9, 8.

1          2           3

4          5          6

7          8          9

Answer to Game No 19:  Toothpick Triangles

Make a square with four toothpicks, and put two toothpicks crossing each other diagonally in the square.

Answer to Game No 20: Some More Toothpick Problems

1. Write TEN. You will see that writing TEN takes only NINE sticks.
2. Write ZERO like it is written in digital watches with 2 sticks on each side and 1 stick on top and 1 stick on bottom
3. Write NINE. You will see that writing NINE takes only 6+5=11 sticks to make a word NINE.
4. Take SIX sticks. Make an X with two sticks each and put two sticks as a bar in front of it. This is makes ELEVEN. Now take another one or two sticks and put them at the center horizontally. This will leave a VI on the upper side of the ELEVEN.