• A. 1
• B. 3
• C. 2
• D. 4

Answer: Option B

Explanation:

• A. $\frac{৩}{৮}$
• B. $\frac{২}{৫}$
• C. $\frac{৭}{১০}$
• D. $\frac{১১}{১৮}$

Answer: Option B

Explanation:

• A. $2$
• B. $1$
• C. $0$
• D. $-1$

Answer: Option C

Explanation:

• A. $a$
• B. $a$
• C. $a+b$
• D. $\frac{1}{2}\left(a+b\right)$

Answer: Option D

Explanation:

• A. $\left\{\varnothing \right\}$
• B. $\left\{1\right\}$
• C. $\left\{-1\right\}$
• D. $\left\{2\right\}$

Answer: Option A

Explanation:

• B. 3
• C. -3
• D. √3

Answer: Option B

Explanation:

• A. 0.001
• B. 0.01
• C. 0.1
• D. 1.0

Answer: Option C

Explanation:

• B. 1
• C. 225
• D. $\frac{1}{225}$

Answer: Option C

Explanation:

• A. $1$
• B. $x$
• C. $\left(1-x\right)$
• D. $\left(1+x\right)$

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $6:8$
• B. $8:3$
• C. $5:6$
• D. $3:8$

Answer: Option B

Explanation:

• A. $8:3$
• B. $5:6$
• C. $3:8$
• D. $6:4$

Answer: Option A

Explanation:

• A. 5
• B. $x$
• C. $\frac{x}{2}$
• D. $2-x$

Answer: Option A

Explanation:

• A. $\frac{1}{80}$
• B. $\frac{1}{800}$
• C. $\frac{1}{8000}$
• D. $\frac{1}{8}$

Answer: Option D

Explanation:

• A. $a+b+c$
• B. $\frac{a+b-c}{a-b+c}$
• C. $\frac{a-b+c}{a+b-c}$
• D. $\frac{a+b-c}{a+b+c}$

Answer: Option B

Explanation: