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.

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Can you decipher the following common phrase?

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

When it is alive we sing, when it is dead we clap our hands. What is it?

Can you count the number of squares in the figure below?

How many Watermelons are there in the below picture?

What does the below mathematical rebus mean?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

People make me, save me, change me, raise me. What am I?