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Start learning 50% faster. Sign in nowIt is the same as a fiat currency and is exchangeable one-to-one with the fiat currency. Statement I is not correct - The digital fiat currency or CBDC can be transacted using wallets backed by blockchain. Bahamas has been the first economy to launch its nationwide CBDC — Sand Dollar. Statement II is not correct - China became the world's first major economy to pilot a digital currency e-CNY in April 2020. Nigeria is another country to have rolled out eNaira in 2020. Statement III is correct - CBDCs are a digital form of a paper currency and unlike cryptocurrencies that operate in a regulatory vacuum, these are legal tenders issued and backed by a central bank.
Pipe X and Pipe Y can independently fill a tank in 18 minutes and 30 minutes, respectively. However, there is a leakage in the ta...
Two inlet pipes M and N alone can fill a tank in 10 hours and 12 hours respectively and an outlet pipe P alone can empty the whole tank in 8 hours. Firs...
A water tank can be filled in 20 minutes by an inlet and emptied in 30 minutes by an outlet. Calculate the time required to fill half of the tank with b...
Two pipes A and B can fill a tank in 24 minutes and 36 minutes, respectively. If both pipes are opened simultaneously, but B is turned off after 12 minu...
Pipe ‘A’ and pipe ‘B’, together can fill 32% of a tank in 8 hours while pipe ‘C’ takes 35 hours to empty it. ...
An inlet pipe can fill a tank in 8 hours, whereas an outlet pipe can empty the same tank in 16 hours. Find the time taken by three such inlet pipes and ...
Tap A and Tap B fill a drum of volume 483 liters in 21 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ci...
Pipes 'A' and 'B' have the capacity to fill a tank in 12 hours and 15 hours, respectively. Conversely, pipe 'C' can drain the same tank in 20 hours. Ini...
Two inlet pipes 'A' and 'B' can fill an empty tank in 36 minutes and 54 minutes, respectively. Another outlet pipe 'C' can empty the tank in 108 minutes...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 5 hours while pipe ‘C’ takes 37 hours to empty it. Pipe ‘A’ and pipe ‘B’ w...
