MCQ
Which of the following is not zero?
- A$0\times0$
- B$\frac{0}{3}$
- C$\frac{7-7}{3}$
- ✓$9\div0$
✓
Answer
Correct option: D.
$9\div0$
If any number is multiplied by $0$, the product is $0.$
$\therefore0\times0=0$
If $0$ is divided by any number $(\neq0),$ the quotient is always $0.$
$\therefore\frac{0}{3}\text{ and }\frac{7-7}{3}=\frac{0}{3}=0$
Division of any number by $0$ is meaningless and is not defined.
$\therefore9\div0$ is not defined.
Hence, the correct answer is option $(d).$
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