How many months have 28 days?

Answer: twelve

More Math Riddles with answers

More Math Riddles

How many pluses should we put between the digits of 987,654,321 to get a total of 99, and where?
How many seconds are there in one year?
How many times can you subtract five from twenty-five?
How much dirt is in a hole 4 feet deep and 2 feet wide?
I am a place, in a state. I am an answer to a math problem. The math problem is: To get a cube, you multiply something by 6. What do you multiply by?
I am a three-digit number. All of my digits are prime. One of the numbers is even. Each of my numbers are used only once. The total of my first and last digits equals 10. The total of my first two digits equals 5.
I am a two-digit number. All my digits are even. No two digits are the same. None of my digits are prime numbers. I am not a multiple of ten. My tens digit is bigger than my other numbers. If you followed all the previous steps, there should be three options remaining the number is the option where if you add all the digits it's exactly in the middle (in how big the number is) of all the other options with their digits added together. What number am I?
I am an odd number, take away two letters and I am even
I am an odd number. Take away one letter and I become even. What number am I?
I am as simple as a circle, worthless as a leader; but when I follow a group, their strength increases tenfold. By myself I'm practically nothing. What am I?
I am four times as old as my daughter. In 20 years time I shall be twice as old as her. How old are we now?
I have 10 red socks and 10 blue socks in a drawer. How many socks must I take out to ensure that I have at least one matching pair? One how many to ensure I have at least a pair of red and a pair of blue?