Why is the Hole below a Lock?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

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?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

In the given picture, in how many ways can you read the word "Tiger"?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Can you name some countries which do not have the alphabet 'A' in them?

What do you think with the below Picture ?