IQ Test
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Experience a top IQ test crafted by psychology experts in IQ research! Since 2014, and refined over time, over 5 million have engaged with our test. What distinguishes ours? Immediate, free results without hidden fees or personal data requests.
Defining “Intelligence Quotient” is intricate, but our expert-designed test aims for utmost accuracy. On average, it takes just 10 minutes. Afterward, delve into our sections: IQ Stats, IQ Chart, Celebrity IQ Scores, and Answers with stats.
- A New Milestone Reached! Over 2 million people have taken this test! - Aug 25, 2018
- Bug fixes and experience enhancements - Aug 25, 2018
- A New Milestone Reached! Over 3 million people have taken this test! - Jun 1, 2021
- A New Milestone Reached! Over 4 million people have taken this test! - Jan 18, 2022
- Optimized questions SVG content size, added support for dark theme - Feb 28, 2022
- A New Milestone Reached! Over 5 million people have taken this test! - Oct 5, 2023
- 1, 3, 5, 7, 9, ... - What's next?891011I don't know
Which number fits the question mark?
1 0 2 4 2 0 4 ? 5678I don't know- 29, 27, 24, 20, 15, ... What's next?791011I don't know
- A, 1, B, 2, C, 3, D, ... What's next?E54FI don't know
- 2, 10, 12, 60, 62, 310 ... What's next?31236015504650I don't know
- Which comes next in this series of images?ABCDI don't know
- If all Bloops are Razzies and all Razzies are Lazzies, then are all Bloops definitely Lazzies?YesNoI don't know
- 2, 4, 8, 16, 32, 64 ... What's next?90100140256128I don't know
- Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?2024252628I don't know
- 1, 1, 2, 3, 4, 5, 8, 13, 21 - Which one doesn't belong to this series?23458I don't know
Which comes next in this series?
ABCDEFI don't knowWhich comes next in this series?
ABCDEFI don't know- 121,144,169,196 ... What's next?225260298310I don't know
- Four (A, B, C and D) suspects were interrogated:
- A said: C won't cheat unless B cheated.
- B said: Either A or B cheated.
- C said: B didn't cheat, I cheated.
- D said: B cheated.
C lied, B cheatedB lied, B cheatedA lied, C cheatedD lied, C cheatedI don't know - What is the number in the * cell?
9 38 47 4 6 35 42 * 12 21 23 27 10-53218I don't know Eight identically sized squares of paper have been placed on top of one another as follows. Which one is at the bottom?
2468I don't know- 5,10,19,32,49,70... What is next?899512113599I don't know
- What is the number in the * cell?
88 63 25 9 16 24 13 49 * 10 9 15522517I don't know - What letter is in the two cells marked * ?
M I X A Y O * D C O X K I * BHCDFI don't know Which one should be next?
ABCDEFI don't know- You are almost done ... May we know your birthday?It's what I've chosen above.No. It's a secret.
- May we know your gender?No. It's a secret.femalemaleother
- Is English your native language?YesNo