I’m tall when I’m young, and I’m short when I’m old. What am I?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

What is the next number in this matchsticks series riddle?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What is the riddle which can be asked all day with a different correct answer each time.

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

The Little ant seems to be always confused. Do you know why?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?