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.

Who can jump higher than a Mountain?

You need to remove two matchsticks to make the below equation true. Can you do it ?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What is black when you buy it, red when you use it, and gray when you throw it away?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

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?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?