Moving 1 cigarette reversed the order and 90% of people got stuck!
2025/07/16

ADVERTISEMENT

Recently, a classic logic test question from Harvard University went viral on the Internet! The question seems simple, but it has stumped countless people - how to move only one cigarette and completely reverse the order of "4, 3, 2, 1" to "1, 2, 3, 4"?

ADVERTISEMENT

【How are you doing?】 

Solve it in 10 seconds→ Logical thinking is super strong!

Solve in 1 minute → Good observation!

More than 1 minute → You may need to practice more brain problems!

Challenge your friends! See if they can solve this Harvard mystery?

This question is a test of "mental flexibility", and most people will be obsessed with "moving the smoke pile" and ignore the possibility of "recombining numbers".

Harvard University uses these tests to test students' ability to think creatively and think outside the box.

ADVERTISEMENT

Dare to challenge? Of the 3 faces in this picture, 90% of people can't find the 3rd picture
2025/07/21
In the psychological test that exploded abroad, 90% of people were right
2025/07/21
Eyesight challenge! I guess you can only find 3
2025/07/21
Dare to try it? In this picture, 90% of people only see wolves or children, and the people who see all of them are really powerful
2025/07/21
Compete with your eyesight and see how many numbers you can find
2025/07/21
The super popular psychological test in the United States measures the age of your left and right brains in 5 seconds
2025/07/21
A one-minute simple test to see if you are left-brain active or right-brained
2025/07/20
There are 9 animals hidden in the picture, you can find a few, all of them have an IQ of at least 150
2025/07/20
A super popular psychological test abroad, which measures your recent state in 3 seconds
2025/07/20
Known as "the hardest to find a difference in history" The last one is super hard to find, I don't believe anyone can find it
2025/07/20
80% of the college test questions were dizzy, and those who answered correctly were geniuses
2025/07/20
"Don't live with your mother-in-law" vs. "Live with your mother-in-law": Only a smart person can understand
2025/07/20
Find out the 5 differences in the picture to prove that your brain is still young
2025/07/20
There are three items in the picture that don't fit the 80s, and they can all be found to be a bad thing
2025/07/17
It is said that 99% of people do this question incorrectly, so let's try it
2025/07/17
Do you dare to take the call? This brain-burning question, the person who sees through it in 3 seconds is a real god
2025/07/17
90% of the class stepped on the pit, do you dare to challenge?
2025/07/17
The Alzheimer's disease test chart that is popular all over the Internet, find 3 chili peppers to help your brain is still young
2025/07/17
It is said that only 1% of people can find the difference in two minutes
2025/07/17
In a contest of intelligence, move two matches, what is the maximum number you can come up with
2025/07/16