What is the official currency of Bangladesh?

The correct answer is the Taka (BDT), the sole official currency of Bangladesh, issued and regulated by the Bangladesh Bank, the country's central bank established in 1972 soon after independence. Unlike Bhutan's Ngultrum, the Taka is not pegged one-to-one to the Indian Rupee; instead, it operates under a managed float regime, meaning its exchange rate is influenced by market forces within a range monitored by the central bank rather than fixed rigidly to another currency. The name 'Taka' itself has pre-independence roots, having also been used informally for the rupee in Bengali-speaking regions well before 1971. The Indian Rupee is incorrect because, despite the extensive trade and remittance flow between the two countries, Bangladesh maintains its own fully sovereign currency and does not use or peg to the Indian Rupee as its official tender. The Myanmar Kyat is incorrect because it is the separate currency of Myanmar, Bangladesh's only other land-border neighbour besides India, and has no circulation or legal role inside Bangladesh. The Malaysian Ringgit is incorrect because Malaysia lies in maritime Southeast Asia, far from Bangladesh, and its currency has no historical or geographic connection to Bangladesh's monetary system; it functions here purely as an implausible but exam-style distractor. A frequent point of confusion is conflating Bhutan's Ngultrum, which is genuinely pegged to the Indian Rupee, with Bangladesh's Taka, which is not pegged at all, leading candidates to wrongly extend the 'peg' idea to every South Asian neighbour of India. The revision takeaway is to keep these separate: Bhutan's Ngultrum is INR-pegged, but Bangladesh's Taka floats independently under its own central bank.