Official IQTP Certified 2021 IQ Test


You will have 35 minutes for this test.

This is a timed test and must be completed within 35 minutes . Please click here to reload the page and try the test again.

2021 IQ Test

This is the most accurate IQ test we’ve ever created. The IQ Test Prep official IQ test for 2021 is the result of two years of data collection, revisions, and updates. Our goal is to offer a real IQ test experience with the most accurate and reliable results possible. You can be confident that the IQ score and certificate are 100% accurate to IQTP standards. At the conclusion of the test, you will be asked for your name and email address so that we may create and send your official IQ certificate.

This test includes 15 questions to be answered within a 35 minute time limit. Click the "Start" button to begin our official online IQ test.

1 / 15

Choose the number of the sequence that does not belong:

  1. I N T E N S
  2. L A B F T S O L
  3. G L I B W O N
  4. T H A C Y
  5. E K R C T I C

2 / 15

What are X and Y?
(choose two from the answers below)

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3 / 15

Which of the following does not belong in this set?

  1. 1572
  2. 1941
  3. 2049
  4. 1770
  5. 1978

4 / 15

Which of the following series of numbers would not create an identical number when rotated 180 degrees?


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5 / 15

Solve for X:


6 / 15

Arrange these words in alphabetical order:

  1. Contrary
  2. Continent
  3. Content
  4. Consonant
  5. Conjoined
  6. Constant
  7. Constable

7 / 15

If D A C E F B equals C E F A B D then 4 5 6 1 2 3 is equal to what?

8 / 15

Which image belongs in box number 4?

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9 / 15

If items one and two are formatted correctly, which item is incorrect?

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10 / 15

Arrange the following images into pairs (i.e. AB, CD, etc.).

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11 / 15

Solve for X:

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12 / 15

In the symbol series below, if there were a fourth row, what symbol belongs in the position occupied by the question mark?

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13 / 15

Which of these words is spelled incorrectly?

14 / 15

Multiply the four lowest numbers and take away the sum of the two highest numbers in the set below.


15 / 15

Which one of the following words does not belong?


Please provide your full name and email address. We will use this to customize and email your Official IQ Test Certificate. Your information will never be shared or sold to a third party.

Please note! Whatever name you enter into this form will appear on your Official IQ Certificate!

2021 IQ Test

To receive your results and certificate, please use the links below and submit payment.  All payments are securely processed through PayPal.  After a payment is complete, you will be presented with your IQ score on the screen as well as sent an email with your official IQ certificate which is suitable for printing and framing.

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Making Sense of IQ Scores

Before taking an intelligence test it’s important to have a frame of reference to help you understand what your score means. While the scoring scale can vary a bit depending on which type of IQ test you’re taking, in general, the average IQ is 100. IQ test scores fall along a standard distribution, or a bell curve, with 68% of all IQs falling within one standard deviation (15 points) of the average score of 100. Higher IQs, such as people with 130 and above, make up only 2% of the population. Follow the link to learn more about the IQ range.

IQ bell curve

Understanding IQ Test Questions

First and foremost,’s IQ tests are for entertainment purposes only. While our IQ questions and answers have been developed and refined to test real aspects of intelligence similarly to the world’s most commonly used IQ tests and cognitive abilities tests, they are not as comprehensive as real IQ tests such as those used to earn a Mensa membership. To go that route, you’ll need to contact a local testing center, psychologist or Mensa chapter to take a proper IQ test that would be used in a professional evaluation or to gain entrance into a high IQ society like Mensa which requires a verified IQ in the 98th percentile.

Real IQ Test Sample Questions

While the online IQ tests focus on processing speed and perceptual reasoning, there is a reason that official IQ tests must be done in person with a professional administering the exam. Most modern tests focus on a wider variety of aspects of intelligence. In formulating an IQ score the most popular IQ tests used today, the Wechsler tests, focus on the following indices:

  • Verbal Comprehension Index
  • Perceptual Reasoning Index
  • Working Memory Index
  • Processing Speed Index

There are subtests within each of these indexes where the IQ test proctor will provide questions and when you answer correctly your score for that subtest will improve and increase your index score for that component of your intelligence. A selection of these subtests is then combined upon the test’s completion to make up your Full-Scale IQ, or FSIQ. Average intelligence would be someone with an FSIQ score of 100.

Sample Similarities Subtest Question

An example question from this type of IQ test would be within the similarities subtest in the Verbal Comprehension Index. In this test, the proctor will provide you with two items, so for example, “milk” and “orange juice”. The subject is asked to provide information as to what the items have in common. A highly specific such as, “They’re both beverages” would be worth two points while a less specific answer such as, “They’re both liquids” would be worth one point. These questions will be presented in a series, and you will either receive partial or full points for each correct answer, or you will be cut off after too many incorrect responses and you will proceed to the next section of the test.