Using Only Five 5's and any mathematical operator make sum as 37

Look at the picture and find out which square is not linked with any of the other squares.

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What do you get if you add 2 to 100 four times?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

A bomb exploded in a room full of married couples and no one died. How?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

You can see it everyday, But cannot touch it at will. What is it?