A maths symbol is hidden in the below Bar Graph. Can you decipher it?

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?

what does this below rebus represent identXQQQQQME

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

How is a fly different from a mosquito?