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What approximate total boundary length is obtained by adding India's land boundary and total coastline?

Answer and explanation

Correct answer: About 22716.6 km

The governing concept is addition of two different boundary measurements expressed in the same unit. India’s commonly cited land boundary is about 15,200 km, and its total coastline, including the mainland and island coasts in the standard textbook figure, is about 7,516.6 km. Adding them gives 15,200 + 7,516.6 = 22,716.6 km. Therefore, option A is correct. Option C is only the approximate north-south extent, not a boundary total. Option D is close to the mainland’s north-south or related extent and does not result from the required addition, while option B is an unsupported rounded value. The calculation is valid only because both quantities are lengths measured in kilometres; their sum represents the combined land-boundary and coastline figure, not a separate physical perimeter measurement.

Related tags

Boundary CalculationCoastlineIndia SizeIndia’s Size And AreaIndia S Size And AreaIndia LocationGeographyClass 11 Mcq

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