Why 1729 is a magic number? Answer Logically.

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?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

What always comes into a house through the keyhole?

Count the number of triangles in the given picture.

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

How is the moon similar to a dollar?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag