Good Riddles

Question: A blue man lives in a blue house. A green man lives in a green house. Who lives in the white house?

Question: I go into the water red and come out black.

What am I?

Question: Some use me, while others do not.
Some remember, while others have forgot.
For profit and gain I'm used expertly, I can't be picked off the ground or tossed in the sea.
Only gained through patience and time, can you unravel my rhyme?

Question: What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Question: Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation.

Note: Each must be used exactly once and no other numbers or symbols can be used.