Question
Which country has officially launched its national
digital currency, which is the first of its kind in the world to have been fully deployed?Solution
The Bahamas has officially launched the world's first national digital currency, the sand dollar.
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Length of a train, whose speed is 84 km/h, is 420 metres. Find the time taken (in seconds) by train to cross a bridge of length 280 metres.
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A goods train leaves a station at a certain time and at a fixed speed. After 9 hours, an express train leaves the same station and moves in the same dir...
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