using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I shave every day, but my beard stays the same. What am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

It belongs to you, but other people use it more than you do. What is it?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

In the four images below, can you find the odd one out?

A man dies of old age on his 25 birthday. How is this possible?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

Can you name some countries which do not have the alphabet 'A' in them?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?