How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

The more it dries, the wetter it becomes. Can you tell what it is?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?