• A. 16
• B. 23
• C. -16
• D. -23

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{2}{3}$
• B. $\frac{\sqrt{2}}{3}$
• C. $\frac{\sqrt{7}}{4}$
• D. $\frac{1}{4}$

Answer: Option C

Explanation:

• A. 128
• B. 2
• C. 11
• D. 9

Answer: Option C

Explanation:

• A. $p^{-mpr}$
• B. $p^{m+n+r}$
• C. $p^{m+n-r}$
• D. $p^{m-n-r}$

Answer: Option C

Explanation:

• A. $\frac{১}{১২}$
• B. $১\frac{১}{২}$
• C. $\frac{৭}{৪}$
• D. $\frac{৪}{৫}$

Answer: Option B

Explanation:

• A. 2
• C. 1
• D. 4

Answer: Option B

Explanation:

• A. $\frac{1}{8}$
• B. $\frac{1}{2}$
• C. $\frac{1}{40}$
• D. $\frac{1}{80}$

Answer: Option A

Explanation:

• A. 8√5
• B. 10√5
• C. 5
• D. 8

Answer: Option A

Explanation:

• A. (a-b)(a+2b+1)
• B. (a+1)(a+2b+1)
• C. (a+1)(a+2b-1)
• D. (a-1)(a-2b-1)

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{5}{13}$
• B. $\frac{3}{12}$
• C. $\frac{12}{13}$
• D. $\frac{5}{12}$

Answer: Option A

Explanation:

• A. π
• B. 2π
• C. $\frac{\mathrm{\pi }}{2}$
• D. $\frac{\mathrm{\pi }}{4}$

Answer: Option C

Explanation:

• A. 476190 m
• B. 476.19 m
• C. 476190 cm
• D. 476.19 cm

Answer: Option A

Explanation:

• A. LDA
• B. IN
• C. ADD
• D. OUT

Answer: Option A

Explanation: