Four of the suspects reportedly belonged to a banned outfit.
During the raids, security forces also seized weapons, hand grenades and drugs.
The arrested suspects included target killers, dacoits, extortionists, wanted suspects and fugitives.
The alleged criminals were residents of Super Highway, Afghan Basti, Sohrab Goth, Mawach Goth, Pak Colony, Lyari and other areas.
From Quetta Town alone, Rangers arrested one terrorist from a hideout of a banned outfit and seized sub-machine guns (SMG), bullet proof jackets, weapons of 12 different kinds.
Police also conducted a targeted operation in the same area last week killing seven terrorists.
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