Concept:Bhatia Battery Test is a performance-based intelligence test that measures non-verbal reasoning through specific tasks.Explanation:This test was developed by C.M. Bhatia in 1955.It consists of exactly five sub-tests.They are: Pattern Drawing Test, Kohs' Block Design Test, Picture Construction Test, Alexander Pass along Test, and Immediate Memory Test for Digits.Each sub-test assesses a different cognitive skill like spatial ability, memory, or problem-solving.Answer:A. 5 sub-tests