Solve the following math problems. For True/False, answer True or False. For multiple choice, select the correct option. Questions are in Afaan Oromo.

The options provided are mathematical terms, not numerical answers. If the question asks for the numerical result, it is 20.
Answer: $\boxed{\text{20}}$

7. $7 \times 6 - 3 = 18$ ta'a? (Is $7 \times 6 - 3 = 18$?)

The statement is false. The options provided are mathematical terms and are not relevant to evaluating the truth of the statement.
Answer: $\boxed{\text{False}}$

8. $10 + 20$ meeqa ta'a? (What is $10 + 20$?)

The correct option is B.
Answer: $\boxed{\text{B. 30}}$

9. $30 - 6$ meeqa ta'a? (What is $30 - 6$?)

The correct option is B.
Answer: $\boxed{\text{B. 24}}$

10. $15 / 3$ meeqa ta'a? (What is $15 / 3$?)

The correct option is B.
Answer: $\boxed{\text{B. 5}}$

III. Bakka Duwwaa armaan gadii akkaataa fakkeenya siif-kennameen guuti
(Fill in the blanks below according to the example given)

A. $4 \times 3 = 3 + 3 + 3 + 3 = 12$ (This is the given example)

B. $4 \times 4$

Answer: $\boxed{4 \times 4 = 4 + 4 + 4 + 4 = 16}$

C. $4 \times 5$

Answer: $\boxed{4 \times 5 = 5 + 5 + 5 + 5 = 20}$

D. $4 \times 6$

Answer: $\boxed{4 \times 6 = 6 + 6 + 6 + 6 = 24}$

E. $4 \times 7$

Answer: $\boxed{4 \times 7 = 7 + 7 + 7 + 7 = 28}$