If 21x = 79x, what is the value of x?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

Why 1729 is a magic number? Answer Logically.

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

Decode below rebus
D
N
A
T
S , D

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

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?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?