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?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Can you find out who is the kidnapper in below Picture and why, Explain ?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?