EDUCATION UGC NET
BASIC FACT ABOUT EDUCATION SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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50
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64
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75
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100
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Detailed explanation-1: -where Mental Age is based on your intellectual development. Chronological Age is the number of years a person has lived. Hence, we can conclude that the IQ of a 25-year-old boy whose mental age is 16 will be 64.
Detailed explanation-2: -Detailed Solution. The correct answer is 64.
Detailed explanation-3: -Hence, it could be concluded that a child of 16 years scores 75 in an IQ test, his mental age will be 12 years.
Detailed explanation-4: -IQ was originally computed by taking the ratio of mental age to chronological (physical) age and multiplying by 100. Thus, if a 10-year-old child had a mental age of 12 (that is, performed on the test at the level of an average 12-year-old), the child was assigned an IQ of 12/10 × 100, or 120.
Detailed explanation-5: -A score of 116 or more is considered above average. A score of 130 or higher signals a high IQ.