# If Teresa'S Daughter Is My Daughters Mother, Answer To Teresa&#39S Daughter Riddle

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Posted October 31, 2015 By Presh Talwalkar. Read about me, or email me.

This problem already has over 175,000 shares on Facebook. Can you solve it?

“If Teresa's daughter is my daughter's mother, then what is my relationship to Teresa?”

a. her grandmother b. her mother c. her daughter d. her granddaughter e. I am Teresa

Give it a try and watch the video for an explanation of the answer.

Answer to Teresa's daughter is my daughter's mother – viral Facebook logic puzzle

Scroll below for a text/image summary. . .”All will be well if you use your mind for your decisions, and mind only your decisions.” Since 2007, I have devoted my life to sharing the joy of game theory and mathematics. wtbblue.com now has over 1,000 free articles with no ads thanks to community support! Help out and get early access to posts with a pledge on Patreon.

. . . . . . M I N D . Y O U R . D E C I S I O N S . P U Z Z L E . . . . Answer To: Teresa's daughter is my daughter's mother

The answer is (c) her daughter. Let me explain why.

In a family tree we have Teresa, then one level down is her daughter, who is also the mother of the narrator's daughter which is two levels down.

Sources

Kennedy Jones Facebook page wording “If Teresa's daughter is my daughter's mother, what am i to Teresa?” https://www.facebook.com/kennedyjones/photos/a.364635850291302.90166.362691427152411/945923912162490/?type=3

This puzzle seems to have been around for a while. I cannot trace its exact origins, but I am able to find it in the 1985 publication “The Book of Tests” using the name Barbara. https://books.google.com/books?id=cZ0QAQAAIAAJ&dq=barbara%27s+daughter+is+my+daughter%27s+mother&focus=searchwithinvolume&q=barbara

### PRESH TALWALKAR

I run the wtbblue.com channel on YouTube, which has over 1 million subscribers and 200 million views. I am also the author of The Joy of Game Theory: An Introduction to Strategic Thinking, and several other books which are available on Amazon.

(As you might expect, the links for my books go to their listings on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay.)

By way of history, I started the Mind Your Decisions blog back in 2007 to share a bit of math, personal finance, personal thoughts, and game theory. It”s been quite a journey! I thank everyone that has shared my work, and I am very grateful for coverage in the press, including the Shorty Awards, The Telegraph, Freakonomics, and many other popular outlets.

I studied Economics and Mathematics at Stanford University.

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Mind Your Decisions is a compilation of 5 books:

(1) The Joy of Game Theory: An Introduction to Strategic Thinking (2) 40 Paradoxes in Logic, Probability, and Game Theory (3) The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias (4) The Best Mental Math Tricks (5) Multiply Numbers By Drawing Lines

The Joy of Game Theory shows how you can use math to out-think your competition. (rated 4.2/5 stars on 189 reviews)

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Mind Your Puzzles is a collection of the three “Math Puzzles” books, volumes 1, 2, and 3. The puzzles topics include the mathematical subjects including geometry, probability, logic, and game theory.

Math Puzzles Volume 1 features classic brain teasers and riddles with complete solutions for problems in counting, geometry, probability, and game theory. Volume 1 is rated 4.4/5 stars on 67 reviews.

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