Which among the following pairs of quantities are proportional?
AArea and radius of a circle
BDistance traveled by a falling body and time taken
CPerimeter and radius of a circle
DNumber of sides of a polygon and sum of its inner angles
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ഒരു സംഖ്യയുടെ 2/3 ഭാഗം മറ്റൊരു സംഖ്യയുടെ 3/4 ഭാഗത്തിന് തുല്യമായാൽ സംഖ്യകൾ തമ്മിലുള്ള അംശബന്ധം?