Brain Teasers

If I wrote all  the numbers from 300 to 400, how many times would I have written the number 3?

Aj's Mom had 3 kids. The 1st was named April. The 2nd kid was May. What was the 3rd kid's name?

How many times can you subtract the number two from the number fifty?

What 5-letter word becomes shorter when you add two letters to it?

What's full of holes but can still hold water? 

Without it, I'm dead. If I'm not, then then I'm behind. What am I?

What letter comes next in the following sequence? D R M F S L T_

In British Columbia you cannot take a picture of a man with a wooden leg. Why not?

Find a number less than 100 that is increased by 1/5 of its value when its digits are reversed.

What word in the English language is always spelled incorrectly?