yes
Yes.
It must be a generalised rational number. Otherwise, if you select a rational number to multiply, then you will only prove it for that number.
Yes. Any rational number divided by another rational number is also rational.
3.3333
It is a rational number because it can be expressed as a fraction, 175/1.
175 is an integer and not a fraction. However, it can be expressed in rational form as 175/1. There is no sensible way of representing it as a mixed number.
Yes because it can be expressed as a fraction. 1.75= 175/100
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.
As much as, in these days of uncertainty, anything can be anything. As long as the constraints of a rational number are kept to, a rational number will always remain a rational number.
Yes, it is.