• A. 4 : 3 : 2
• B. 6 : 7 : 8
• C. 8 : 7 : 6
• D. 2 : 3 : 4

Answer: Option D

Explanation:

• B. 2
• C. 4
• D. 1

Answer: Option D

Explanation:

• A. $\frac{1}{x}$
• B. $\frac{1}{x}{\log }_{10}e$
• C. $\frac{1}{x}\log 10$
• D. ${\log }_{10}e$

Answer: Option B

Explanation:

• A. LDA
• B. IN
• C. ADD
• D. OUT

Answer: Option A

Explanation:

• A. $-15$
• B. $14$
• C. $-14$
• D. $15$

Answer: Option D

Explanation:

• A. $\frac{৫}{৩}$
• B. $\frac{২}{৩}$
• C. $\frac{৩}{৫}$
• D. $\frac{৫}{৭}$

Answer: Option A

Explanation:

• A. $\frac{5}{3}$
• B. $\frac{2}{3}$
• C. $\frac{3}{5}$
• D. $\frac{5}{7}$

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. ab
• B. a
• C. b
• D. a/b

Answer: Option A

Explanation:

• A. ab
• B. a
• C. b
• D. a/b

Answer: Option A

Explanation:

• A. $ax+by+a^2=0$
• B. $ax+by=a^2$
• C. $ax-by=a^2$
• D. $by-ax=a^2$

Answer: Option C

Explanation:

• A. $p+q$
• B. $\frac{pq}{p+q}$
• C. $pq$
• D. $\frac{p+q}{pq}$

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

Answer: Option C

Explanation:

• A. $x$
• B. $y$
• C. $\frac{x\left(1-y\right)}{y}$
• D. $\frac{1}{x}$

Answer: Option A

Explanation: