Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

How many times can you subtract the number two from the number fifty?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Do You See It?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

I have an eye but still cannot see.

Who am I?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?