MCQ
How many natural numbers lie between $9^2$ and $10^2?$
- A$9$
- ✓$18$
- C$11$
- D$12$
✓
Answer
Correct option: B.
$18$
The natural numbers lying between $9^2$ and $10^2$, i.e. between $81$ and $100$ are $82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,$ and $99.$ So, $18$ natural numbers lie between $9^2$ and $10^2$
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