Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

Give it food and it will live; give it water and it will die.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

How many triangles are there on the puzzle below?