5 and 6
Nine: 18, 20, 21, 22, 24, 25, 26, 27, 28
There are no rational numbers between sqrt(-26) and sqrt(-15). The interval comprises purely imaginary numbers.
12
There are 2*13 = 26 natural numbers between them.
5 and 6
4, 226, 208, 1810, 1612, 14The sum of each pair is 26 and both the numbers in a given pair are composite numbers.=======================The answer to the question is: 5
26 and 99 is the only pair which is relatively prime.
The numbers between 26 and 30 are 27,28 and 29.
2 and 13
13 and 26, among others.
13 and 26, among others.
Even if you only allow whole numbers, there are still an infinite number of pairs. Here are a few of them: 25 and 27 (the obvious one) 20 and 30 (a correct one, according to the restrictions in the question) -62 and 1,024 (another correct one) (pi) and 47 million (and another one)
Nine: 18, 20, 21, 22, 24, 25, 26, 27, 28
The numbers between 17 and 26 are 18,19,20,21,22,23,24 and 25.
The even numbers between 26 and 36 are 28, 30, 32, and 34.
To be an au pair in the USA you must be between the ages of 18 and 26