000 00556nam a22001457a 4500
020 _a81-7626-569-9
082 _a001
_bGRA/I
100 _aGRAND, MICHAEL.J
245 _aI.Q.TESTER
260 _aDELHI
_bR0HAN BOOK COMPANY PVT LTD
300 _a160
520 _aThe concept of IQ was invented in the year 1904 by Alfred Binet. The equation used to calculate a person's IQ score is Mental Age / Chronological Age x 100. On most modern IQ tests, the average score will be 100 and the standard deviation of scores will be 15.
650 _aG.K
942 _cBK
999 _c6735
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