SSC MTS 5 Aug 2019 Shift 2 Paper

Correct option:1) Apparent - is the most suitable antonym.
Hidden means something which not visible or we can say apparent.
Apparent - appearing as actual to the eye or mind.
Covered - it basically means hidden.
Veiled - having or wearing a veil or a concealing cover.
Concealed - kept out of sight or hidden from view.
Hence, apparent is the most suitable antonym.