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.

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

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?

Look at the picture and find out which square is not linked with any of the other squares.

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What Does this text mean:

important=important

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

If two's company, and three's a crowd, then whats four and five ?

What can you catch but never throw?