• A. 60
• B. 80
• C. 75
• D. 36

Answer: Option C

Explanation:

• A. 20N
• B. 30N
• C. 40 N
• D. 50N

Answer: Option C

Explanation:

• A. 30
• B. 40
• C. 60
• D. 600

Answer: Option A

Explanation:

• A. 1/2
• B. 1/4
• C. 1/5
• D. 1/7

Answer: Option B

Explanation:

• A. 30°
• B. 60°
• C. 90°
• D. 150°

Answer: Option D

Explanation:

• A. $0$
• B. $2/3$
• C. $1$
• D. $3/2$

Answer: Option A

Explanation:

• A. $\sqrt{3}$
• B. $\frac{3}{2}$
• C. $3^2$
• D. $\frac{3}{2}$

Answer: Option D

Explanation:

• A. (x - 5) (x - 7)
• B. (x + 5) (x + 7)
• C. (5 - x) (7 + x)
• D. (x - 5)

Answer: Option C

Explanation:

• A. (7x + 4) (5x - 3)
• B. (7x - 4) (5x - 3)
• C. (7x + 4) (5x + 3)
• D. (7x - 4) (5x + 3)

Answer: Option A

Explanation:

• A. $9$
• B. $27$
• C. $18$
• D. $81$

Answer: Option B

Explanation:

• A. 100101
• B. 101001
• C. 101010
• D. 100011

Answer: Option A

Explanation:

• A. ab
• B. 1
• C. 15
• D. ba

Answer: Option B

Explanation:

• A. $\frac{4}{5}$
• B. $\frac{3}{5}$
• C. $\frac{3}{4}$
• D. $\frac{4}{5}$

Answer: Option B

Explanation:

• A. log20
• B. log40
• C. log30
• D. log50

Answer: Option B

Explanation:

• A. $9$
• B. $16$
• C. $27$
• D. $64$

Answer: Option D

Explanation: