Can you count the number of lines in the below picture?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Count the number of triangles in the below picture?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

How many times can you subtract the number two from the number fifty?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

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