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

Be active and find the killer in the picture Riddle below.

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What do you think with the below Picture ?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

Can you place three balls such that the equation shown in the picture holds true?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?