• A. -1
• B. 1
• C. 13/5
• D. -5

Answer: Option D

Explanation:

• A. $\frac{2}{3}$
• B. $\frac{1}{3}$
• C. $\frac{4}{3}$
• D. $\frac{5}{3}$

Answer: Option B

Explanation:

• A. $\frac{1}{5}$
• B. $\frac{3}{2}$
• C. $\frac{2}{3}$
• D. $\frac{5}{8}$

Answer: Option B

Explanation:

• A. $abc$
• B. $a^2{b}^2{c}^2$
• C. $a^3{b}^3{c}^3$
• D. $3abc$

Answer: Option D

Explanation:

• B. $\frac{1}{3}$
• C. $\frac{1}{2}$
• D. 1

Answer: Option C

Explanation:

• A. 32
• B. 48
• C. 64
• D. ৪০

Answer: Option C

Explanation:

• A. {6,-2}
• B. {6,2}
• C. {-6,2}
• D. {-6,-2}

Answer: Option B

Explanation:

• A. 9
• B. 18
• C. 21
• D. 27

Answer: Option B

Explanation:

• A. $\frac{x^2-y^2}{xy}$
• B. $\frac{2x^2-y^2}{xy}$
• C. $\frac{y^2-x^2}{xy}$
• D. $\frac{x^2-2y^2}{xy}$

Answer: Option C

Explanation:

• A. ৩২ বছর
• B. ৪২ বছর
• C. ৪৪ বছর
• D. ৫২ বছর

Answer: Option B

Explanation:

• A. $a^2+b^2$
• B. $a^2-b^2$
• C. $\frac{{\left(a+b\right)}^2}{2}-\frac{{\left(a-b\right)}^2}{2}$
• D. ${\left(a+b\right)}^2+{\left(a-b\right)}^2$

Answer: Option A

Explanation:

• A. m ধনাত্মক হলে
• B. n ধনাত্মক হলে
• C. m ও n ধনাত্মক হলে
• D. m ধনাত্মক n ঋণাত্মক হলে

Answer: Option C

Explanation:

• A. $২{০}^o$
• B. $২২{\frac{১}{২}}^o$
• C. $২{৩}^o$
• D. $২৩.{৫}^o$

Answer: Option B

Explanation:

• A. $\sqrt[5]{5^2}$
• B. $\sqrt[6]{5^6}$
• C. $\sqrt[5]{5^6}$
• D. $5^6$

Answer: Option C

Explanation:

• B. 1
• C. 2
• D. 3
• E. 9

Answer: Option B

Explanation: