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Social & Preventive Medicine General d0806e8b

Chronological age 10 years, mental age 4 years. What that person called as?

A
Idiot
B
Imbecile
C
Normal
D
Genius
High-Yield Explanation
IQ of this child = 4/10 x 100 = 40 Imbecile child has IQ between 25-49.

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