Decode below rebus
D
N
A
T
S , D

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Can you write down eight eights so that they add up to one thousand?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

Below rebus represent famous DiCaprio movie. Can you name it?

There is a place where if I stand up straight, I will still be considered sideways.

Before Mount Everest was discovered, what was the highest mountain in the world?