Recent content by croxbearer

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    Can You Solve This Challenging Puzzle from HighIQSociety.org?

    i have my answer, using your approach: r = 804 y = 201 x = 47 here is the matrix i made: 74 66 49 57 42 33 62 41 55 42 47 56 30 60 43 47
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    High School Who Finishes Last in the Race? A Formal Logic Riddle

    since each of the 5 people in the race aim to win the race, and nice guys always finish last, hence, one of the 3 not nice guys will win the race and one of the 2 nice guys will finish last. anyway, its unimportant who will finish last!
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    Challenge Challenge where you have to make each number from four 4s

    If logarithm is allowed: 93 = 4 x 4! - log(4/.4%)
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    High School What's the biggest number you can create with three 3's?

    so it means we only need two 3's instead of three?
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    Undergrad Solve the Mystery: Where's the Fish?

    ...siguro joke lang yan! :smile: :biggrin:
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    High School Imagine two high-voltage-masts/poles

    isn't it that if your draw it in a diagram, it would look like a straight line?
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    Undergrad Pairs of primes separated by a single number are called prime pairs

    yes it is..
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    Undergrad What is the pattern behind these numbers?

    ... or it can be this way also... nth term = (2*n^3 - 3*n^2 + n)/2 , where n=1,2,3,4,5,... :cool:
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    Undergrad What is the pattern behind these numbers?

    i think it would be simpler to express the formula like this: nth term = (2*n^3 + 3*n^2 + n)/2 , where n=0,1,2,3,4,...
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    Undergrad What is the pattern behind these numbers?

    i guess the next number is... 165
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    River Riddle: The Head and Mouth That Never Leave

    is it a telephone?
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    High School Imagine two high-voltage-masts/poles

    the distance between the two poles is zero. 25 m - 16 m = 9 m (length of half the cable at distance zero) 9 m x 2 = 18 m (length of cable)
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    Barber's Paradox: Did He Shave Himself?

    >>> I will go to the second barber - the slob one. Since, there are only TWO barbers in town, and it was mentioned that he has a terrible haircut. That means, the well-groomed barber did his haircut. And also maybe, the reason why his shop was dirty is because he has lot of customers, which...
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    Undergrad What is the solution to the MI string puzzle?

    I am sorry. May I rephrase the question with: Could you produce a string containing exactly the characters, MU?
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    Barber's Paradox: Did He Shave Himself?

    Yes. Because i suppose he is the only barber in town. And to satisfy the third sentence, he must also shave. The barber is not included in "the men"(third person) as referred in the last sentence.