Question:

A 250 ml bottle of mango juice costs USD 4 in the United States. If the exchange rate is 0.02 USD per Rupee, then the cost of the same bottle of mango juice in Rupees would be ____________ (in integer).

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To convert currency, always invert the exchange rate when switching from “Rupees per USD” to “USD per Rupee”.
Updated On: Sep 1, 2025
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Correct Answer: 200

Solution and Explanation

Step 1: Given data.
Price in the US = 4 USD
Exchange rate = 0.02 USD per Rupee
Step 2: Find value of 1 Rupee in USD.
1 Rupee = 0.02 USD
Therefore, 1 USD = \(\frac{1}{0.02} = 50\) Rupees
Step 3: Convert cost.
4 USD = \(4 \times 50 = 200\) Rupees
Final Answer: 200
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