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The legend is inscribed with "KRUGERRAND" and the gold weight. The Krugerrand ( / ˈkruːɡərænd /; [ 1] Afrikaans: [ˈkry.ərˌrant]) is a South African coin, first minted on 3 July 1967 to help market South African gold and produced by Rand Refinery and the South African Mint. [ 2][ 3] The name is a compound of Paul Kruger, the former ...
The 1978 series began with denominations of 2, 5, 10, and 20 rand, with a 50 rand introduced in 1984. This series had only one language variant for each denomination of note. Afrikaans was the first language on the 2, 10, and 50 rand, while English was the first on the 5 and 20 rand. A coin replaced the 1 rand note.
The rand was introduced in the then Union of South Africa on 14 February 1961, shortly before the establishment of the Republic on 31 May 1961. The rand replaced the pound with a decimal currency: 100 cents (100c) = 1 rand (R1), 1 rand being valued at 10 shillings and 1 cent at 1.2 pence. The coins bore the forward-facing portrait of Jan van ...
The dollar replaced the South African rand, which had been the country's currency while it was under South African rule as South-West Africa from 1920 until 1990, at par. . The rand is still legal tender, as the Namibian dollar is linked to the South African rand and can be exchanged on a one-to-one basis loca
The misdirection in this riddle is in the second half of the description, where unrelated amounts are added together and the person to whom the riddle is posed assumes those amounts should add up to 30, and is then surprised when they do not — there is, in fact, no reason why the (10 − 1) × 3 + 2 = 29 sum should add up to 30.
The £ grapheme in a selection of fonts. The pound sign ( £) is the symbol for the pound unit of sterling – the currency of the United Kingdom and its associated Crown Dependencies and British Overseas Territories and previously of Great Britain and of the Kingdom of England. The same symbol is used for other currencies called pound, such as ...
A billion grains of table salt or granulated sugar would occupy a volume of about 2.5 cubic feet (0.071 m 3). A billion cubic inches would be a volume comparable to a large commercial building slightly larger than a typical supermarket.
Hyperbolic discounting is mathematically described as. where g ( D) is the discount factor that multiplies the value of the reward, D is the delay in the reward, and k is a parameter governing the degree of discounting (for example, the interest rate ). This is compared with the formula for exponential discounting: