Count the number of triangles in the below picture?

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

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Which word does the below Plexor means ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?