Dr. Chen's puzzle presents a series of numbers that appear to follow a specific pattern. However, one crucial number is missing, and identifying it requires a keen understanding of mathematical ...

Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge ...

The key to success lies in your ability to : ・Quickly scan the given numbers ・Identify potential patterns ・Apply deductive reasoning at lightning speed Remember, there's often more than one ...

Filling in the missing number requires determining the pattern of how the numbers are related to each other and following it through. Can you figure out what the missing number is?

Test your brainpower with this challenging puzzle! Find the missing number in a sequence from 1 to 53 in just 11 seconds and prove your 140+ IQ level.