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?

Which number should replace the question mark?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

You need to remove two matchsticks to make the below equation true. Can you do it ?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What has many teeth, but cannot bite?

Which tank will fill first?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches