April Birthday Puzzle

April 16, 2015 at 5:41 pm Leave a comment

Panda Math Puzzles

April and Bernard just met Cheryl. “When’s your birthday?” April asked Cheryl.

Cheryl thought a second and said, “I’m not going to tell you, but I’ll give you some clues.” She wrote down a list of 10 dates:

May 15 — May 16 — May 19

June 17 — June 18

July 14 — July 16

August 14 — August 15 — August 17

“My birthday is one of these,” she said.

Then Cheryl whispered in April’s ear the month — and only the month — of her birthday. To Bernard, she whispered the day, and only the day.

“Can you figure it out now?” she asked April.

April: I don’t know when your birthday is, but I know Bernard doesn’t know, either.

Bernard: I didn’t know originally, but now I do.

April: Well, now I know, too!

When is Cheryl’s birthday?

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Entry filed under: .math, .puzzle. Tags: , .

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