Which country gets ill every time?

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 both possible and impossible at the same time?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

I have Rs.50 and I spend it in the way as below.

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What has hands, but can’t clap?

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

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?