No one wants to have it, but if one got it, he does not want to lose it. What is It?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

What word is pronounced the same if you take away four of its five letters?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Solve the equation in the image by looking at the pattern closely.

Why is 6 afraid of 7?

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

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?