• A. 10
• B. 11
• C. 12
• D. 13

Answer: Option D

Explanation:

• A. Tk. 500
• B. Tk. 1,500
• C. Tk. 2,000
• D. None of these

Answer: Option C

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:

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

Answer: Option B

Explanation:

• A. 18
• B. 30
• C. 36
• D. 54

Answer: Option C

Explanation:

• A. 30
• B. 35
• C. 215
• D. 230

Answer: Option B

Explanation:

• A. 30
• B. 31
• C. 32
• D. 34

Answer: Option D

Explanation:

• A. ১০:৯
• B. ৯:১০
• C. ২০:৯
• D. ১৮:৫

Answer: Option A

Explanation:

• A. সূক্ষ্মকোণ
• B. স্থুলকোণ
• C. সরলকোণ
• D. সমকোণ

Answer: Option D

Explanation:

• A. $\frac{2}{m}$
• B. $2m$
• C. $\frac{m}{2}$
• D. কোনোটিই নয়

Answer: Option A

Explanation:

• A. $xy=\frac{{\left(x+y\right)}^2}{2}-\frac{{\left(x-y\right)}^2}{2}$
• B. $xy=\frac{{\left(x-y\right)}^2}{2}-\frac{{\left(x+y\right)}^2}{2}$
• C. $xy={\left(x+y\right)}^2-{\left(x-y\right)}^2$
• D. $xy=\left(\frac{{\left(x+y\right)}^2}{2}\right)-\left(\frac{{\left(x-y\right)}^2}{2}\right)$

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

• A. 12
• B. 7
• C. 10
• D. 15

Answer: Option B

Explanation:

• A. π
• B. 2π
• C. $\frac{2\mathrm{\pi }}{3}$

Answer: Option D

Explanation:

• A. 1
• B. 2
• C. 4
• D. 7.52

Answer: Option D

Explanation: