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Math Help - please help me find the logic ..

  1. #1
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    please help me find the logic ..

    [/INDENT][/INDENT]Find the missing number ?

    15 ?

    3 80
    63 24
    8 48


    a)14 b)20 c)35 d)42 e)70

    Thanks in advance all....
    Attached Thumbnails Attached Thumbnails please help me find the logic  ..-new.jpg  
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  2. #2
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    Quote Originally Posted by edendeli View Post
    [/INDENT][/INDENT]Find the missing number ?

    15 ?

    3 80
    63 24
    8 48


    a)14 b)20 c)35 d)42 e)70

    Thanks in advance all....
    Well I don't see a pattern for each particular pair, but I notice all the numbers are perfect squares minus 1, so based on that I would go with (c).

    Edit: Oh didn't see the image, so they're not in pairs after all. Yeah, (c).
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  3. #3
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    omg yea ... thats great ... thank you so much
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