If the annual municipality budget for city A is 500 crores, find the annual municipality budget for city B?
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.
Since, radius of bubble B is twice the radius of bubble B ⇒ municipality budget for B will be 22 = 4 times the municipality budget for A.
∴ Municipality budget for city B = 4 × 500 = 2000 crores.
Hence, option (d).
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