Karthik, a fifth-standard child, has persistent difficulty in verbal and non-verbal communication with his friends and teachers. These could be the primary characteristics of:

The ability of hand-eye coordination, balance, and manual dexterity is significantly affected in which of the following learning disorders?

Murti, a grade 4 student, is able to read only at the level of a grade 1 student. He also has difficulty matching sounds, spelling words, and reading letters. Murti shows characteristics of: