the quotient of two rational numbers is always a real number (provided the denominator is non zero) true or false

Question

anonymous · Answer

1. The quotient of two rational numbers is always a real number (provided the denominator is non-zero). 
2. The product of two rational numbers is always a rational number. 
3. The quotient of two rational numbers is always a rational number (provided the denominator is non-zero). 
4. The ratio of two rational numbers is always positive 
5. The difference of two rational numbers is always a natural number. 
6. The sum of two rational numbers is always a rational number. 
7. The difference of two rational numbers is always a rational number.