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.

What is the next shape from answers A, B, C, and D figure?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Can you count the number of matches in the picture below ?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

How many times in a given day, minutes and hour clock comes in a straight line ?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?