Which of the following are CORRECT for the theory of primary mental abilities? (i) Verbal Comprehension (ii) Numerical Abilities (iii) Cognitive competence (iv) Spatial Relations (v) Semantic (vi) Perceptual Speed (vii) Word Fluency (viii) Memory (ix) Inductive Reasoning

I, ii, iv, vi, vii, viii, ix I, ii, iii, iv, vi, vii, viii I, ii, iii, iv, v, vii, viii I, ii, iii, iv, v, vi, vii, viii

I, ii, iv, vi, vii, viii, ix

Theory of primary mental abilities: (i) Verbal Comprehension (ii) Numerical Abilities (iii) Spatial Relations (iv) Perceptual Speed (v) Word Fluency (vi) Memory (vii) Inductive Reasoning