Assertion (A) : 0 and are two rational numbers and then 0 ÷ , a rational number. Reason (R) : If a rational number is divided by some non - zero rational number, the result is always a rational number. 1. Both A and R are correct, and R is the correct explanation for A. 2. Both A and R are correct, and R is not the correct explanation for A. 3. A is true, but R is false. 4. A is false, but R is true.