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

Answer: Option D

Explanation:

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

Answer: Option D

Explanation:

• A. pqr
• B. 3 pqr
• C. 6 pqr
• D. 9 pqr

Answer: Option B

Explanation:

• A. (8,4)
• B. ( 6,3)
• C. (2,1)
• D. (4,2)

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. 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. ৮০%
• B. ৭৫%
• C. ৭২%
• D. ৬০%

Answer: Option A

Explanation:

• A. $\frac{২}{৩}$
• B. $\frac{১৩}{১৫}$
• C. $\frac{৪}{৫}$
• D. $\frac{২৩}{৩০}$

Answer: Option B

Explanation:

• A. 10
• B. ∞
• C. 100
• D. 1

Answer: Option A

Explanation:

• A. $\frac{১}{৪৫}$
• B. $\frac{২}{৪৫}$
• C. $\frac{৭}{৪৫}$
• D. ৪৫

Answer: Option A

Explanation:

• A. $<A+<B-<C$
• B. $<A-<B-<C$
• C. $<A+<B$
• D. $<A+<C$

Answer: Option B

Explanation:

• A. 18
• B. 30
• C. 36
• D. 54

Answer: Option C

Explanation:

• A. $\frac{১}{১৫}$
• B. $\frac{৩}{১০}$
• C. $\frac{২}{১৫}$
• D. $\frac{১}{১০}$

Answer: Option B

Explanation:

• A. $\frac{a^2}{2}$ব.মি.
• B. $2a^2$ব.মি.
• C. $a^2$ব.মি.
• D. $\frac{a^2}{4}$ব.মি.

Answer: Option A

Explanation: