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

Answer: I must be 23 if my father is twice as old as me

More Math Riddles with answers

More Math Riddles

Where can you place one line to make the following true, 5+5+5=550?
Why is it easier to count cows than sheep?
Why should you never mention the number 288 in front of anyone?
Why was the math book always so depressed?
You go to the doctor because you're ill and he prescribes you with 3 pills and tells you to take them every half hour. How long do the pills last you?
You have 14 brown socks, 14 blue socks and 14 black socks in your sock drawer. How many socks must you remove (without looking to be sure) to have a matched pair?
You have 14 brown socks, 14 blue socks and 14 black socks in your sock drawer. How many socks must you remove (without looking to be sure) to have a matched pair?
Your shirt has two holes in it. How many holes are there?
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2 men catch 2 fish in 2 minutes. At this rate, how many men could catch 500 fish in 500 minutes?
20+20+20=60. How can you make 60 again by using the same number 3 times, but it can’t be 20?
8, 5, 4, 9, 1, 7, 6, 3, 2 These numbers are in a specific order. What is the pattern?