Can you solve the below tricky visual equation?

Who is that with a neck and no head, two arms and no hands? What is it?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What brings you down but never up?

There is something which you can be arrested for attempting but not for successfully completing.

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

In the picture given below, can you find out which digit will take place of the question mark?