Yes.
Yes, it is. Because it can be expressed as a ratio of two integers: 1517/1000.
1517 is not prime. It is divisible by 37.
The number 1517 in Roman numerals would be MDXVII
It is a rational number. It can be written as a fraction.
yes
Is 12.05 a rational number or irrational number?
1.96 is a rational number
It is a rational number, as it can be written as a fraction.
Yes, the sum is always rational.
There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.
It is a multiple of 37.
1517