Good Riddles

Question: this is a 6 digit number. this number has two decimal places. there are no tenths or tens in this number. the tenths digit plus the hundredth digit equals 6. if you divide the thousands digit by 2 the answer is 2. the hundreds digit is the same as today's date. the units digit is half the hundredths unit.

Question: Without me, nothing exists. What am I?

Question: Using 16 coins, how can you make $1 by using pennies, nickels, dimes, and quarters? Hint: There is only 1 quarter.

Question: A girl dove in the sea.. some say there are two people under the sea. Why is that?

Question: if forward is going ahead and toward is coming at you what is a cow moving forward toward you?