If you just look at typical cruising speed, the fastest is the Boeing 747-400ER (used only by Qantas), which cruises at Mach 0.855 (495 knots at 35,000 ft). The fastest civilian aircraft currently in operation is the Cessna Citation X, which cruises at Mach 0.92 (525 knots at 35,000 ft). Views Â· View Upvotes.
The Vietnamese currency is the dong (abbreviated to âdâ). US dollars are also widely used, though less so in rural areas. For the last few years the dong has been fairly stable at around 21,000d to the dollar. Where prices on the ground are quoted in dong, we quote them in dong. Likewise, when prices are quoted in dollars, we follow suit. Thereâs no real black market in Vietnam.
Chinese Currency â Renminbi (RMB). Chinese yuan, also known as Renminbi, is used throughout in mainland China, while in Hong Kong and Macau, Hong Kong dollar and pataca are respectively used. The basic unit of Renminbi is Yuan and the sign of Yuan is ï¿¥.n some parts of China, yuan is called kuai and jiao is referred as mao. Chinese money is issued by the People's Bank of China in denominations of one, two, five, ten, twenty, fifty, and one hundred yuan. The jiao and fen coins are both issued in ones, twos, and fives.