The full form of MATH is “Mathematics”. Mathematics is the science that deals with the logic of shape, quantity and arrangement.
The full form of JOB is “Joining Others Business”. However Job is not an acronym. “Job” is the word for work or a task. A job is a person’s role in society.
The full form of DDT is “Dichlorodiphenyltrichloroethane”. DDT is a colorless, tasteless, crystalline, and almost odorless organochloride substance.
In Indian Railways, the full form of RRB is Railway Recruitment Board. RRB is managing the appointment of new employees to work on Indian railways.