• A. 1
• B. 2
• C. 4

Answer: Option D

Explanation:

• A. $x(\frac{1}{t_1}+\frac{1}{t_2})$
• B. $x(\frac{1}{t_1}-\frac{1}{t_2})$
• C. $\frac{x}{2}(\frac{1}{t_1}+\frac{1}{t_2})$
• D. $\frac{x}{2}(\frac{1}{t_1}-\frac{1}{t_2})$

Answer: Option D

Explanation:

• A. $\sqrt{29}$
• B. $\sqrt{15.5}$
• C. $\sqrt{4.5}$
• D. $\sqrt{10.5}$

Answer: Option A

Explanation:

• A. ০.০৯
• B. ০.৯
• C. ০.০০৯
• D. ৯.০

Answer: Option B

Explanation:

• A. ১৬
• B. ৬৪
• C. ১২৮
• D. ২৫৬

Answer: Option A

Explanation:

• A. ২০
• B. ০
• C. ২০০
• D. ১

Answer: Option B

Explanation:

• A. $\frac{3a^2}{4}$
• B. 2πa
• C. 2π
• D. 6π

Answer: Option B

Explanation:

• A. sinθ
• B. cosθ
• C. tanθ
• D. cotθ

Answer: Option B

Explanation:

• A. $8^3{x}^9$
• B. $8^{15}{x}^{10}$
• C. $8^6{x}^9$
• D. $8^6{x}^2$

Answer: Option B

Explanation:

• A. ৩
• B. ২
• C. ৬
• D. ৮

Answer: Option A

Explanation:

• A. 60/8
• B. 64/8
• C. 63/8
• D. 69/8

Answer: Option C

Explanation:

• A. (7,4)
• B. (9,6)
• C. (10,7)
• D. (11,8)

Answer: Option D

Explanation:

• A. 120%
• B. 125%
• C. 140%
• D. 150%

Answer: Option D

Explanation:

• A. $\frac{33}{50}$
• B. $\frac{8}{11}$
• C. $\frac{3}{5}$
• D. $\frac{13}{17}$

Answer: Option B

Explanation:

• A. $\frac{5}{6}$
• B. $1\frac{2}{3}$
• C. $1\frac{7}{8}$
• D. $3\frac{3}{4}$

Answer: Option B

Explanation: