Numbers questions This is a list of recently added questions about numbers. Play numbers quiz and see all the questions. Which of the following currencies was decimalised last?Pound sterling. On 15 February 1971, the UK decimalised the pound sterling, replacing the shilling and penny with a single subdivision, the new penny. Under the old currency, the pound was made up of 240 pence, with 12 pence in a shilling and 20 shillings in a pound.Created by: Ninjaivery hard 34% Polish zlotyPolish zloty1240Austro-Hungarian guldenAustro-Hungarian gulden1098Russian rubleRussian ruble1192pound sterlingpound sterling1842coins riddles » What number is considered unlucky in Italy?17. In Italian culture, the number 17 is considered unlucky. When viewed as the Roman numeral, XVII, it is then changed anagrammatically to VIXI, which in the Latin language translates to "I lived", the perfect implying "My life is over."Created by: Ninjaivery hard 28% 1717178131310515158277251curiosities riddles » What is the approximate value of the golden ratio ("phi")?1.61. In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. It is often used for aesthetics in art and design.Created by: Ninjaihard 47% 3.143.1411792.162.1616171.611.6130130.870.87514geometry riddles » Which of these countries is the most populous?Egypt. With over 95 million inhabitants, Egypt is the third-most populous country in Africa (after Nigeria and Ethiopia). Italy has around 60 million inhabitants, France 67 and Turkey 79.Created by: Ninjaihard 42% ItalyItaly76FranceFrance216TurkeyTurkey348EgyptEgypt469people riddles » What is the distance between Earth and the Moon? About 384 000 km. The average distance between Earth and the Moon is 384,000 km. So the light overcomes it in just over a second.Created by: Tschukahard 55% about 38 000 kmabout 38 000 km324about 384 000 kmabout 384 000 km1201about 3 840 000 kmabout 3 840 000 km409about 384 000 000 kmabout 384 000 000 km243Moon riddles » How much of the Earth's ice is on Antarctica? About 90% of terrestrial ice is found in Antarctica.Created by: Tschukahard 44% about 90%about 90%628about 80%about 80%376about 70%about 70%272about 65%about 65%137ice riddles » A given natural number is divisible by 4 if and only if ...?The number created from the last two digits is divisible by 4. The last two digits form a number that is divisible by 4; 40,832: 32 is divisible by 4. If the tens digit is even, the ones digit must be 0, 4, or 8. If the tens digit is odd, the ones digit must be 2 or 6. 40,832: 3 is odd, and the last digit is 2. Twice the tens digit, plus the ones digit is divisible by 4. Created by: Tschukavery hard 28% the last digit is divisible by 4the last digit is divisible by 4111the last two digits are divisible by 4the last two digits are divisible by 4228the sum of the last two digits is divisible by 4the sum of the last two digits is divisible by 4166the number created from the last two digits is divisible by 4the number created from the last two digits is divisible by 4200mathematics riddles » In what period of time does the Sun make a full turn around the center of the Milky Way?Within every 225 million years. The sun performs a full turn around the center of our galaxy during 225 million years.Created by: Tschukavery hard 27% within every 225 million yearswithin every 225 million years207within 250 million yearswithin 250 million years249within 300 million yearswithin 300 million years181within 350 million yearswithin 350 million years129time riddles » What number is the pattern for the construction of Dante Alighieri's song "Divine Comedy"?3. The Divine Comedy is composed of 14,233 lines that are divided into three canticas – Inferno (Hell), Purgatorio (Purgatory), and Paradiso (Paradise) – each consisting of 33 cantos . The number "three" is prominent in the work, represented in part by the number of canticas and their lengths. Additionally, the verse scheme used, terza rima, is hendecasyllabic with the lines composing tercets according to the rhyme scheme aba, bcb, cdc, ded, Created by: Tschukavery hard 24% 99565334657780155105literature riddles » In which year did Leonhard Euler introduced the symbol "i" to represent the square root of -1 ?In 1777. The letter "i" as a designation of the element from -1 was proposed by Leonhard Euler in 1777. Later, from 1801, this designation was popularized by Carl Friedrich Gauss. Currently, it is the most commonly used symbol of the imaginary unit.Created by: Tschukahard 43% in 1555in 1555193in 1666in 1666585in 1777in 17771039in 1888in 1888593history riddles » Play numbers quiz and see all the questions.