John is taller than Mike, but shorter than David. Mike is taller than Alex. Who is the tallest?

What comes next in the sequence?
2, 6, 12, 20, 30, ?

If all Bloops are Razzles and all Razzles are Dazzles, are all Bloops definitely Dazzles?

Which word doesn’t belong in the group?
Apple, Banana, Carrot, Grape

I am an odd number. Take away one letter, and I become even. What number am I?