Can you solve this picture maths equation?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

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?

Can you spot the man between the coffee bean in the picture below ?

Can you count the number of blocks in the picture below?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Which is faster, Heat or Cold ? Explain.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

How can you make a TV, a bed, a dog, and a car liquid?