What is the corresponding value of color black in 4 band resistor, if the third band is the multiplier?

What kind of resistor has only one resistance value?

What kind of resistor can be adjusted the resistance value?

What do you call a scheme to determine the value of resistors by color bands printed on their bodies as code?

It is the limit on how far the real value of the resistor can deviate from its color coded value.

What is the condition of the resistor if tolerance is higher than the maximum?

What is the condition of the resistor if the tolerance is lower than minimum value?

What is the condition of the resistor if the tolerance is not higher or lower than tolerable limit?

What is the maximum resistance of a 100 ohm resistor with 10% tolerance?