Riddle IQ Test: Only the sharpest minds can solve this riddle!

Jan 15, 2026, 20:07 IST

This riddle IQ test will put your intelligence and critical thinking skills to the test. Do you belong to the group of sharpest minds in the world? Go ahead and find out now!

Riddle IQ test
Riddle IQ test

Riddles are a type of brain teaser that comes in the form of questions, sentences, or statements. Riddles are great brain exercises, as they can get the brain thinking quickly, making them one of the best ways to improve critical thinking skills. 

Although some of the riddles are straightforward and can be solved quickly, a few may pose a serious challenge and require you to apply your logical and critical thinking skills.

Practising riddles regularly boosts critical thinking skills and improves attention to detail.

Are you among the sharpest minds?

Find out now!

Riddle IQ Test: Can you solve the riddle?

Take a look at the text shared below.

Three doctors said that John was their brother. John says he has no brothers. How many brothers does John actually have?

Studies show that individuals with high intelligence and strong problem-solving skills can quickly process information and decode things with ease as compared to others.

If you can solve this riddle without breaking a sweat, you would be among the smartest people in the world.

Now pay close attention to the text hint shared above, and see if you can solve the riddle quickly.

Have you found the answer?

Hurry up!

Not much time left.

And...

Time’s up.

How many of you have successfully solved the riddle?

If you solved the riddle quickly, you are blessed with a high IQ and excellent logical and analytical skills.

Those who couldn’t complete the challenge can check out the answer below.

You have eagle eyes if you can spot the word “USER” in this word puzzle!

Riddle IQ Test: Solution

The answer to this riddle is that John has no brothers. All three doctors were his sisters.

Now, share this riddle challenge with friends and family to see who has the sharpest brain.

Also, check out another puzzle challenge below.

Mrigank Chakraborty
Mrigank Chakraborty

Deputy Manager

Mriganka Chakraborty is currently serving as a Deputy Manager, managing the GK section at Jagran Josh. He has 7+ years of stellar experience in crafting engaging articles for a global audience. He is a recognised Expert in Pop Culture Puzzles (Optical Illusions, IQ Tests, 'Spot the Difference', Personality Tests). Mriganka also writes authoritative content on Sports and Science topics. His work is trusted by millions worldwide and makes learning addictive and fun. He is fond of non-fiction novels and action and thriller movies.

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