JAMB - Islamic Religious Knowledge Irk (2022 - No. 60)
Which of the following actions may be regarded as Mubah?
Acquisition of Knowledge
smoking
Salat ash-Shaf
shaking hands while greeting
Explication
Mubah is something that there is no objection to doing it in terms of religion; that is, a person is free to do it or not to do it. Shaking hands is an example of such.