Toughest Brain Twister Question

Discussion in 'C++' started by divya bisht, Nov 14, 2011.

  1. divya bisht

    divya bisht Guest

    divya bisht, Nov 14, 2011
    #1
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  2. A B C=A-B C(n) - C(n-1)

    2 + 3 = 8 2*3 = 6 2 4
    3 + 7 = 27 3*7 = 21 6 6
    4 + 5 = 32 4*5 = 20 12 8
    5 + 8 = 60 5*8 = 40 20 10
    6 + 7 = 72 6*7 = 42 30 12
    7 + 8 = ?? 7*8 = 56 (42)

    So, the answer is 7 + 8 = (56+42) = 98

    Why do you call it hard ? Do you know Pascal difference machine :) ?

    Regards,
    Tomasz Budzeń
    Tomasz Budzeń, Nov 14, 2011
    #2
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