Checking Whether nth Root of a Number is a Surd or Not

Q. Determine whether $\sqrt[3]{327}$ is a surd or not.

1. It is not a surd.
2. It is a surd but not a quadratic surd.
3. It is a quadratic surd.

Q. Is the number $\sqrt[4]{416}$ a surd?

1. yes
2. no

Q. $n$ is a positive integer. Select a possible value of $n$ such that $\sqrt{n}$ is an irrational number.

1. $5$
2. $7$
3. $9$
4. $12$
5. $15$
6. $16$
7. $20$
8. $25$

Q. Is the number $\sqrt[3]{36}$ a surd?

1. yes
2. no

Q. Comment on the type of number: $\sqrt[5]{54}$

1. Quadratic surd.
2. Surd
3. Irrational number
4. Real number

Q. Which of the following is a surd?

1. $\sqrt[5]{5100000}$
2. $\sqrt[4]{481}$
3. $\sqrt[343]{3433}$
4. $\sqrt[3]{3343}$