There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

Take one out and scratch my head, I am now black but once was red. What am I?

What is the next number in this series?

4,12,84,3612....