Write the negative on the following simple statements.
(i) The number 17 is not prime.
(ii) `2+ 7 ne 6.`
(iii) violets are not bule .
(iv) `sqrt(5)` is not a rational number .
(v) 2 is a prime number .
(vi) Every real number is not an irrational number .
(vii) Cow has not four legs .
(viii) A leap year has not 366 days.
(ix) There exist similar tirangles which are not congruent.
(x) Area of a circule is not same as the perimeter of the circle.

Explanation

To write the negatives of the given statements, we will negate each statement logically. Here’s the step-by-step solution:

1. **Statement**: The number 17 is not prime.
**Negative**: The number 17 is prime.

2. **Statement**: \(2 + 7 \neq 6\).
**Negative**: \(2 + 7 = 6\).

3. **Statement**: Violets are not blue.
**Negative**: Violets are blue.

4. **Statement**: \(\sqrt{5}\) is not a rational number.
**Negative**: \(\sqrt{5}\) is a rational number.

5. **Statement**: 2 is a prime number.
**Negative**: 2 is not a prime number.

6. **Statement**: Every real number is not an irrational number.
**Negative**: Every real number is a rational number.

7. **Statement**: A cow has not four legs.
**Negative**: A cow has four legs.

8. **Statement**: A leap year has not 366 days.
**Negative**: A leap year has 366 days.

9. **Statement**: There exist similar triangles which are not congruent.
**Negative**: All similar triangles are congruent.

10. **Statement**: The area of a circle is not the same as the perimeter of the circle.
**Negative**: The area of a circle is the same as the perimeter of the circle.