In reality most people will find their new mattress to be very comfortable sometime within the first couple nights, however really experiencing the real comfort, support, and relaxation a new mattress provides can be about a week or so.
intelligence quotient (IQ). defined originally as the ratio of mental age (ma) to chronological age (ca) multiplied by 100 [thus, IQ = (ma/ca) x 100]. On contemporary intelligence tests, the average performance for a given age is assigned a score of 100.efined originally as the ratio of mental age (ma) to chronological age (ca) multiplied by 100 [thus, IQ = (ma/ca) x 100]. On contemporary intelligence tests, the average performance for a given age is assigned a score of 100.
IQ tests were first used in France in 1904 to identify intelligent children. And since then, experts have estimated that the 18th Century German writer and poet Goethe had the highest IQ in history, at 210. The tests are not a measure of general knowledge, but of how the mind copes with reasoning problems and mental arithmetic. Normal IQ is from 85 to 115, and genius level starts at 145.