What is 3/7 chicken, 2/3 cat and 2/4 goat?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Why did the Girl throw the butter out of the window?

Why is the longest human nose just 11 inches?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

If 21x = 79x, what is the value of x?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?