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     EduGorilla 
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    The value of each golden coin varies with the square of its diameter, if its thickness remains constant and it varies with the thickness, if the diameter remains constant. If the diameters of the two coins are in the ratio 4 : 3, what should be the ratio of their thicknesses when the value of the first coin is 4 times that of the second coin?

    Options :-

    1. 16 : 9
    2. 9 : 4
    3. 9 : 16
    4. 4 : 9
    5. 2 : 3
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