Can you solve the below algebraic mathematical equation?

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

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

Which alphabet is a part of our body?

How many times in a given day, minutes and hour clock comes in a straight line ?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

Keyboard words are not in alphabetical order, Why?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Do you know who was buried in John's tomb?