Above 140

Genius or close to genius

120-140

Excellent intelligence

110-120

Higher intelligence

90-110

Normal intelligence

80-90

Slowness is sometimes considered low-energy

70-80

Between dullness and low energy (each can be classified as low energy)

Below 70

Determined as low energy

The lower the score, the worse the intelligence. Those with scores below 70 are intelligent. IQ is a quantitative indicator that indicates the level of a person's intelligence. It was proposed by German psychologist Stern in 1912. IQ is the abbreviation of intelligence quotient, which is expressed in English as IQ. IQ is the quotient calculated by dividing mental age by biological age. The calculation formula of IQ is as follows: IQ=MA÷C.A×100. IQ indicates how smart a person is. The higher the IQ, the more intelligent you are. Biological age refers to a child's actual age after birth. Mental age or psychological age is the age measured based on intelligence measurements.