Brain Teasers

  1. How did he know?
    A man was waiting at an airport for a plane to arrive. Suddenly, he heard someone call his name. Looking up, he saw an old friend of his hurrying toward him. “Hey, Bill!” called his friend. “How are you? I haven’t seen you in years!” “How are you?” exclaimed Bill. “Wow, you look great!”. “I am married now, to somebody you don’t know,” said the other. “This is my daughter.” Bill smiled down at the little girl. “Hi, young lady. What’s your name?” “It’s the same as my mama’s,” said the girl. “Is that so,” said Bill, winking at his friend. “Then your name must be Cindy!”

    Q: How could he possibly know this?

  2. The strange sisters
    It was the first day of school. The teacher had several children in her class. She asked all the new children to write down their names and their date of birth for her. The first two names she looked at were those of girls. She saw that they both had the same last name. They also had the same birthday – June 9,1973. “Will Jane and June Campbell please stand?” asked the teacher. Two girls stood up, and the teacher saw that they were just alike. “Oh, you’re twins,” she said. One of the girls shook her head. “No,” she said. “We’re sisters, but we’re not twins.”

    Q: How could they be sisters and be the same age, but not twins?

  3. The mystery of the missing fish
    Two fathers and two sons went fishing. Each caught one fish. However, only three fishes were caught.

    Q: How was this possible?

  4. The tennis player
    Once there was a tennis player. In the tennis game, she played very well and won great fame. Jane was her first name, What was her last name.

    Q: Find Jane’s last name


Scroll down for answers.


  1. How did he know?
    Bill knew the little girl’s name because it was the same as his friend’s name. His old friend, to whom he was talking, was named Cindy, and she was the little girl’s mother.

  2. The strange sisters
    Jane and June Campbell were sisters, born on the same day the same year. But they weren’t twins. They were two of a set of triplets. The other triplet, Jackie, was sick that day.

  3. The mystery of the missing fish
    The two fathers and two sons who went fishing were actually only three people a grandfather, his son, and his grandson. The grandfather was his son’s father, and of course the son was his grandson’s father. That makes two fathers. The grandfather’s son was one son, and his son was the other. So, if each of them caught one fish, only three fish were caught.

  4. The tennis player
    The first and last names are given in the last two lines of the poem. Jane was her first name, What was her last name. The two lines make one complete sentence. And there is a period at the end of the sentence, not a question mark. So the sentence doesn’t ask a question. It tells you that Jane was the first name and that What was her last name. Her name was Jane What.
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