Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

I have teeth but i don't bite. Who Am I ?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

How is a fly different from a mosquito?

What does this rebus riddle means ?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?