Who was the first person to invent IQ tests and what were they based

a study of the binet and terman intelli gence tests with eleven-year-old iq formula given by terman Step 1: Identify the formula for IQ according to Terman and Stern Terman and Stern defined the Intelligence Quotient as the ratio of iqra choudhary age wikipedia IQ = MA x CA x 100 d IQ = MA CA x 100 In the Binet IQ test, an IQ score is equal to MA divided by CA times 100 In this formula, MA means mental age

iqra hasan pakistan It is the ratio of mental age to chronological age The concept of IQ was given by William Stern w7ho gave the formula to calculate IQ