Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
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* * *

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

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?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Can you find out the missing number in the grid?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

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

Count the number of squares in the picture below.

You see me once in June, twice in November, and not at all in May. What am I?