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India’s share of Earth’s surface: Estimate the percentage of Earth’s total surface area covered by India. Use India’s total area ≈ 3.28 million km² and Earth’s surface area ≈ 510 million km². Choose the closest value.

Difficulty: Medium

0.64% (approximately)
0.95%
2.40%
3.28%

Correct Answer: 0.64% (approximately)

Explanation:

Given

India area ≈ 3.28 × 10⁶ km²
Earth surface area ≈ 5.10 × 10⁸ km²

Calculation
Percentage = (3.28 × 10⁶ / 5.10 × 10⁸) × 100= (3.28 / 510) × 100 ≈ 0.643% ≈ 0.64%

Note
India’s share of world land area is ≈ 2.4%, but of Earth’s total surface it is ≈ 0.64%.

Final Answer
≈ 0.64%.

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