Final answer:
The core subtests for the Processing Speed Scale in the WISC-V are Coding and Symbol Search, with Coding being the core subtest and Symbol Search as the supplemental.
Step-by-step explanation:
The core subtests that make up the Processing Speed Scale of the WISC-V are Symbol Search and Coding. Among the options provided, option 'c' is correct:
Coding is the core subtest, and Symbol Search is the supplemental subtest. The Processing Speed Scale assesses the speed at which a child can process simple or routine visual information without making errors.