It’s got the whole internet stumped.

By Nora Horvath
October 25, 2017

Every few months a brain puzzle takes the internet by storm, like the viral math equation that we saw everywhere this summer that had all of our editors stumped. If you’re feeling like getting a little brain workout today, try your hand at the latest riddle to circulate:   

If Teresa’s daughter is my daughter’s mother, what am I to Teresa?

a. Grandmother, b. Mother, c. Daughter, d. Granddaughter, e. I am Teresa.

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While it seems like this should be a straight-forward question about family trees, the more you look at the question the more confused you become. And even with the multiple choice options, the puzzle is still super confusing.

Many people have responded to the post on both Instagram and Twitter, claiming that in fact there is no answer to the question, or that the answer is in fact son-in-law, but the real answer is actually right there in front of them. So if you find yourself stumped, know that you’re not alone.

If you want to know the solution keep reading. (Alert: spoiler ahead).

The correct answer?

The “I” in the riddle is c, Teresa’s daughter. Because “my daughter’s mother” is me. In that case, the riddle becomes: If Teresa’s daughter is me, what am I to Teresa? Answer: her daughter.

In the mood for another mind-bending puzzle? Check out this cafe wall optical illusion or these mesmerizing optical illusions that encourage people to adopt rescue pets.

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