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

The answer I give is yes, but what I mean is no. What was the question?

Count the number of triangles in the below picture?

I am quite hot but become too cold if you remove the first two letters. What am I?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

How can you tell a raw egg from a hard-boiled egg?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

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