questionedithistorytranslations

What numbers do NOT exist in Mathematics?

Irrational numbers
Abstract numbers
Surreal numbers
Rational numbers
A number is a mathematical object used to count, measure and also label. In common usage, a number may refer to a symbol, a word, or a mathematical abstraction. There is no concept of Abstract numbers in Mathematics.
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Answers by country

Irrational numbers
Abstract numbers
Surreal numbers
Rational numbers
answers
flagthe Netherlands
20%
70%
10%
0%
10
flagthe United States
1%
49%
47%
1%
55
flagPoland
23%
45%
25%
5%
1785
flagIndia
6%
45%
43%
1%
60
flagGreece
16%
41%
16%
25%
12
flagGermany
20%
37%
41%
0%
24
flagthe United Kingdom
20%
30%
46%
0%
43
flagAustralia
4%
24%
60%
12%
25
flagRepublic of Ireland
0%
16%
75%
8%
12

What is the sum of the opposite sides of a dice?

5
6
7
8

Augustus was born on 1 January 10BC. Which birthday did he celebrate at 1 January 10AD?

19
20
21
80

How many edges does a Möbius strip have?

one
two
three
four

Which astronomer discovered the planet Neptune?

Johann Gottfried Galle
William Herschel
Karl Ludwig Hencke
Tycho Brahe