What will be the intelligence quotient of a 15 year old boy, when his mental age is 12 ?
एक 15 वर्ष के बालक की बुद्धि लब्धि क्या होगी, जबकि उसकी मानसिक आयु 12 है ?
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Correct answer: A. 80
Explanation
IQ = mental age ÷ chronological age × 100 = 12 ÷ 15 × 100 = 80.
बुद्धि-लब्धि = मानसिक आयु ÷ वास्तविक आयु × 100 = 12 ÷ 15 × 100 = 80।
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