Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

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 the end of everything?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

In the picture given below, can you find out which digit will take place of the question mark?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?