What begins with T, ends with T, and has T in it?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

You see me once in June, twice in November, and not at all in May. What am I?

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?

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

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?