[ Divisibility of numbers. General properties ] [ Mathematical logic (other) ]

From the statements "number $a$ is divisible by 2", "number $a$ is divisible by 4", "number $a$ is divisible by 12", and "number $a$ is divisible by $24$", three are true, and one is false. Which one?
If the last statement is true, then the first three statements will also be true. Therefore, the last statement cannot be true.

## Answer

The last.