What is the ratio of municipality budgets of city C and D?
Explanation:
It is given that area of each bubble is directly proportional to the municipality budget of the city.
⇒ budget ∝ area ∝ r2.
∴ Budget is directly proportional to square of the radius of the bubble.
Ratio of radius of bubble C and D = 1 : 2
⇒ Ratio of municipality budget for city C and D = 12 : 22 = 1 : 4.
Hence, option (c).
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