Why are televisions attracted to people?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Count the number of triangles in the picture below:

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 ?

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?

Can you count the number of triangles in the given picture?

Why is the Hole below a Lock?

What runs around the whole yard without moving?