• A. $৩\frac{১}{২}$
• B. $২\frac{১}{২}$
• C. $১\frac{১}{২}$
• D. নিজে চেষ্টা করুন

Answer: Option D

Explanation:

• A. $\frac{7}{6}$
• B. $\frac{6}{7}$
• C. $\frac{6}{5}$
• D. $\frac{5}{6}$

Answer: Option C

Explanation:

• A. (7p-8)(p+1)
• B. (7p+8)(p+1)
• C. (7p-8)(p-1)
• D. কোনোটিই নয়

Answer: Option A

Explanation:

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

Answer: Option D

Explanation:

• A. (2a-3)
• B. (2a+3)
• C. (a-3)
• D. (3a+2)

Answer: Option A

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. $2.3^{2n+1}$
• B. $-{53}^{2n+1}$
• C. $9^{n+2}$
• D. $3^{2n+1}$

Answer: Option D

Explanation:

• A. $x\in [-1,3)$
• B. $x\in [-1,3]$
• C. $x\in (-1,3)$
• D. $x\in (-1,3]$

Answer: Option C

Explanation:

• A. 3/7
• B. 1/2
• C. 7/3
• D. 3/5

Answer: Option C

Explanation:

• B. 2
• C. 1
• D. 3

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• A. ৮০%
• B. ৭৫%
• C. ৭২%
• D. ৬০%

Answer: Option A

Explanation:

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

Answer: Option A

Explanation: