An â average IQ scoreâ or ânormal IQ scoreâ can be defined as a score between 85 and 115. 68% of people score between 85 and 115. The Mensa qualifying IQ score is a score that puts you in the top 2% of the population in a bell curve like this one.The Mensa qualifying score is 130 or higher, as shown below. This table indicates how IQ levels can be classified.ne strategy for measuring your true IQ level and assessing your chance of joining Mensa is to take a Mensa supervised test â $40.00 in the US / Â£17.50 in the UK. This fee includes: 1  A reserved place at the centre of your choice.
Definition of lethal. 1a : of, relating to, or causing death death by lethal injectionb : capable of causing death lethal chemicals. 2 : gravely damaging or destructive : devastating a lethal attack on his reputation.
Poisonous describes the deleterious effect of a chemical upon a living system. Poisonous chemicals are quantified in their effect by the quantity required to kill 50% of a givâ¦en organism by body mass (Median Lethal Dose or LD50). US DOT defines poisonous as a material having an LD50 oral, rat of 200 mg/Kg or less.