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

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

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

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Why are televisions attracted to people?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?