The internet is one of the most amusing sources of infotainment. From funny memes to weird content and knowledgeable contents shared by influencers and vloggers, social media will never disappoint you. Among all of these, interesting brain teaser puzzles have become quite popular nowadays. Such challenges test the readers’ critical thinking skills, as they are required to apply reasoning and logic to solve the puzzle. Thus, the basic premise of a brain teaser is to observe an image and answer a tricky question based on it. One such interesting brain teaser is making the rounds on social media.

The puzzle asks people to determine the age of a person based on the provided details. It reads, “When I was two, my sister was twice my age. Now I’m 40, how old is my sister?”

As easy as it seems, the tricky question has prompted a lot of responses in the comments section. Users dropped various calculations and had different answers to them. A user wrote, “42 na, unless she’s also aging twice as fast then she’d be 80 now,” while another added detailed math, “The age difference between the two siblings is 4 – 2 = 2 years. Therefore, the person is now 2 + 40 = 42 years old. Their sister would be 4 + 40 = 44 years old. I’m 44 years old.”

“At 2 your sis was twice your age,that’s 4. Literally 2 years older. If you’re 40,she’s 42. Simple,” another commented.

Besides the guesses, a section of users also dropped hilarious reactions to the brain teaser. A user remarked, “No stress my brain abeg,” while another mentioned, “I swear I’m not stressing my brain.” “Brain teaser…. Me wey never chop,” a user wrote.

Shared on the X handle of Cocomellon, the post has garnered over 200,000 views along with hundreds of likes, retweets, and comments.

Meanwhile, there are an endless number of brain teasers on the internet, which often attract people’s attention. Another one challenges users to find an error in a picture within just five seconds. The puzzle also says that the calmer you are, the more it is easy to spot the mistake.

The image features the alphabet from A to Z and the task to identify the error. Can you do it?