Best medium riddles with simple answers

I am something to make you think, I am something to make you know. I am something to which the answer you might never know. What am I?

As I was going to the mall I met a man with seven wives. Each wive held two bags, each bag held a mother cat, each mother cat had six babies, How many people were going to the mall?

It's red, blue, purple and green. No one can reach it, not even the queen.

I'm in you, But not in him, I go up, But not down, I'm in the colosseum, But not a tower, I'm in a puzzle, But not a riddle.

My antlers tower above my head. Where I live it’s cold all year. I can pull a sled or pack a load. You call me a ?

You can easily touch me, but not see me. You can throw me out, but not away. What am I?

It's Valentine's Day! What reindeer do we see on this day?

On the first day they cover one quarter of the total distance. The next day they cover one quarter of what is left. The following day they cover two fifths of the remainder and on the fourth day half of the remaining distance. The group now have 14 miles left, how many miles have they walked?

When you have me more, you can see only less. What Am I?

What you cannot hold it but it is yours?