What is a low IQ score?


Quick Answer

An IQ of 89 of below is considered low. An IQ score in the 80 to 89 range is classified as dullness. A score between 70 to 79 is deemed borderline deficiency while under 70 is marked as feeble-minded.

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Full Answer

A person of average or normal intelligence is in the 90 to 109 IQ range. Superior intelligence is within the IQ range of 110 to 119. Very superior intelligence falls on the IQ scale at 120 to 140. A genius is a person who scores over 140. A full 50 percent of people who take IQ examinations fall within in the 90 to 109 range.

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