What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What word does this rebus represent?

meta meta
meta meta

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

What Time Should the last watch show in the below figure?