• A. ১৭
• B. ১৮
• C. ১৯
• D. ২০

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. 39
• B. 45
• C. 18
• D. 35

Answer: Option A

Explanation:

• A. 24
• B. 27
• C. 39
• D. 51

Answer: Option C

Explanation:

• A. $\frac{y}{4}\tan x$
• B. $\frac{y}{2}\tan x$
• C. $\frac{y^2}{2}\tan x$
• D. $\frac{y}{2}{\tan }^{2}x$

Answer: Option B

Explanation:

• A. $\frac{1+y}{y}$
• B. $\frac{y}{1+y}$
• C. $\frac{y}{1-y}$
• D. $\frac{1-y}{y}$

Answer: Option B

Explanation:

• A. 1+7x
• B. p+qx
• C. $\frac{1}{1+x^2}$
• D. $\frac{2}{1-x^2}$

Answer: Option C

Explanation:

• A. 1+7x
• B. p+qx
• C. $\frac{1}{1+x^2}$
• D. $\frac{2}{1-x^2}$

Answer: Option A

Explanation:

• A. 2
• B. 3
• C. 4
• D. 6

Answer: Option C

Explanation:

• A. 8
• B. 9
• C. 27
• D. 15

Answer: Option B

Explanation:

• A. 42
• B. 48
• C. 52
• D. 76

Answer: Option C

Explanation:

• A. $0$
• B. $-i$
• C. $-1$
• D. $1$

Answer: Option A

Explanation:

• A. ১৫:১৭
• B. ১৭:১৫
• C. ১৭:১৯
• D. ১৯:১৭

Answer: Option B

Explanation:

• A. 20
• B. $২১\frac{৩}{৪}$
• C. 19
• D. 18

Answer: Option C

Explanation:

• A. ৭০
• B. ৬০
• C. ৩০
• D. ২০

Answer: Option A

Explanation: