• A. $\frac{6}{7}$
• B. $\frac{7}{6}$
• C. $\frac{7}{4}$
• D. $\frac{7}{7}$

Answer: Option A

Explanation:

• A. 5
• B. 6
• C. 7
• D. 8

Answer: Option A

Explanation:

• A. ১২৫
• B. ৬২৫
• C. ৫
• D. ২৫

Answer: Option B

Explanation:

• A. 525
• B. 125
• C. 625
• D. 556

Answer: Option C

Explanation:

• A. $a^3+8b^3-6a^{2}b-12a{b}^2$
• B. $a^3-8b^3-6a^{2}b-12a{b}^2$
• C. $a^3-8b^3-6a^{2}b+12a{b}^2$
• D. $a^3-8b^3-12a^{2}b+6a{b}^2$

Answer: Option C

Explanation:

• A. 60
• B. 66
• C. 68
• D. 70

Answer: Option B

Explanation:

• A. 77
• B. $60\sqrt{3}$
• C. $70\sqrt{3}$
• D. 60

Answer: Option A

Explanation:

• A. 60√3
• B. 60
• C. 70√3
• D. 77

Answer: Option D

Explanation:

• A. 77
• B. 75
• C. $77\sqrt{3}$
• D. $75\sqrt{3}$

Answer: Option A

Explanation:

• A. 20
• B. 23
• C. 25
• D. 27

Answer: Option D

Explanation:

• A. 20
• B. 23
• C. 25
• D. 27

Answer: Option D

Explanation:

• A. 48
• B. 76
• C. 80
• D. 96

Answer: Option B

Explanation:

• A. 22
• B. 18
• C. 16
• D. 14

Answer: Option B

Explanation:

• A. 109
• B. 119
• C. 129
• D. 116

Answer: Option B

Explanation:

• A. 18
• B. 30
• C. 36
• D. 54

Answer: Option C

Explanation: