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

Answer: Option A

Explanation:

• A. 30
• B. 31
• C. 32
• D. 34

Answer: Option D

Explanation:

• A. 30
• B. 35
• C. 215
• D. 230

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:

• A. 10
• B. 11
• C. 12
• D. 13

Answer: Option D

Explanation:

• A. -2
• B. 2
• C. -3
• D. 5

Answer: Option C

Explanation:

• A. $১.৯৮,৩ এর ৬০\%\sqrt{৩}$
• B. $\sqrt{৩,৩}এর ৬০\%,১.৯৮$
• C. $৩এর৬০\%,\sqrt{৩,} ১.৯৮$
• D. $৩এর৬০\%,১.৯৮,\sqrt{৩,}$

Answer: Option A

Explanation:

• A. $১{২}^{৪}$
• B. $১{১}^{৪}$
• C. $১{০}^{৪}$
• D. ${৯}^{৪}$

Answer: Option B

Explanation:

• A. 4
• B. 10
• C. 12
• D. কোনোটিই নয়

Answer: Option B

Explanation:

• A. 4
• B. 3
• C. 2
• D. 1

Answer: Option B

Explanation:

• A. 1
• B. -1
• C. 5
• D. -6

Answer: Option A

Explanation:

• A. √২
• B. ৪
• C. √৩
• D. ২

Answer: Option B

Explanation:

• A. 5
• B. 50
• C. 25
• D. 0.5

Answer: Option C

Explanation: