Tuesday, June 18, 2024

Brain Teaser – April 29

Dr. Johnson’s nephew asked him how old he was. Dr. Johnson answered: if you add 7 to half of my age, you will find out how old I was 13 years ago.

How old is Dr. Johnson now?

See the answer

Answer: Dr. Jonson is 40 years old.
Let X be Dr. Jonson’s age. Then X/2 + 7 = X – 13. Solving for X, we get X = 40.

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