The cream is heavier than Milk. True or False?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Find the last number in the series below:

voN luJ yaM raM ---

How many times can you subtract the number 5 from 25?

I am white when I am dirty, and black when I am clean. What am I?

Can you find out the number that should replace the question mark with a valid reason?