The rupee is commonly used in informal and formal settings, but discussing large amounts may be sensitive. He owed me 1000 rupees after dinner.
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Cultural Value
Rupees hold different values across countries; what's small in one place could be significant in another. In Sri Lanka, 5000 rupees is a hefty sum for a day's work.
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Historical Context
Understanding the history of rupees can help with cultural contexts, such as colonisation influences. The British introduced the Indian rupee in the 19th century.