‘ जिस बालक की बुद्धिलब्धि 70 से कम होती है, उसको मन्दबुद्धि बालक कहते है।’ यह कथन है- - 'The child whose intellectuals is less than 70 is called a fool-child.' This is the statement: - lquote Jis Balak Ki Buddhilabdhi 70 Se Kam Hoti Hai , Usko MandBuddhi Balak Kehte Hai ।’ Yah Kathan Hai - PSYCHOLOGY in hindi, Shiksha Aivam Baal Manovigyan Skinner question answers in hindi pdf Polak Wa Polak questions in hindi, Know About cro Aivam cro PSYCHOLOGY online test PSYCHOLOGY notes in hindi quiz book Duvy