What does the below rebus riddle means?

Which country gets ill every time?

Can you spot the hidden girl in the picture below?

When is the top of a mountain similar to a savings account?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What has many keys but can’t open a single lock?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

Count the number of squares in the picture below.