Jan

30

Late Night Puzzle #3

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Challenging Mathematical Problems With Elementary Solutions, Vol. 1Two hunters A and B set out to hunt ducks. Each of them hits as often as he misses when shooting at ducks. Hunter A shoots at 50 ducks during the hunt and hunter B shoots at 51. What is the probability that B bags more ducks than A?

I’ve come across a couple of very interesting puzzles in the book I am reading at the moment. I’ll try and share some of my favourite ones with you every now and then. Feel free to take a guess at the answer for this puzzle by commenting to the post. I’ll post my answer in a couple of days/weeks. By the way, you should check out this book, it’s full of fun and challenging mathematical problems.

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Oct

28

Saturday Night Puzzle: Birthday Sharing Party

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And we have an right answer! Thanks to both Eddie and John for their right answer. Very well done!

You are at a party with a friend and 30 people are present including you and the friend. Your friend wants to make a wager with you if there are two people that share their birthday date, he will give you 100$, however, you shall give him 100$ if nobody shares their birth date. Would you accept the wager ? Explain why.

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Oct

25

Thursday Morning Puzzle: The Counterfeit Bill

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I’ve had a couple of suggestions for the solution of this puzzle. Thanks to Heather, Eddie, and John for trying to solve the puzzle! I’ve just posted the solution in the comments. You can access the comment page of this article by clicking on the ‘comment’ label under the title.

A shop manager bought a box of chocolate for 2$ each; he sold the chocolate for 2.50$ each. One day, a person comes into the shop and buys this kind of chocolate with a 50$ note; the manager didn’t have enough change and so the manager went to the shop next door and swapped the note with some changes. He gave that costumer the chocolate with 47.50$ of change and the costumer left. Few minutes later, the shop assistant next door found the manager and told him that note is a forgery, he asked the manager to return 50$ and so the manager did. How much has the manager lost altogether?

I will post the answer to this Puzzle in exactly 4 days (Sunday, October 29). I hope to get some guesses for the correct answer by then. Stay tuned because I will be publishing a couple of my favourite puzzles in the next couple of days.

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