I am sure no one can have two things for dinner. what are they?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

A father's child, a mother's child, yet no one's son.

Who am I?

Move four matchsticks to the below square to form three squares?

Replace the question mark with the correct number in below Picture:

What is more useful when it is broken?