In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What has many teeth, but cannot bite?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

Solve this riddle by finding the odd one out from the rest.

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

People put me on the table and cut me but do not eat me. What am I?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

Why is the Hole below a Lock?

Count the number of triangles in the given picture.