• A. ০.১
• B. ০.০১
• C. ০.০০১
• D. ১০

Answer: Option D

Explanation:

• A. ভরকেন্দ্র
• B. পরিকেন্দ্র
• C. লম্ববিন্দু
• D. অন্তঃকেন্দ্র

Answer: Option D

Explanation:

• A. $x+y+1$
• B. $x+y-1$
• C. $x-y-1$
• D. $x-2y+1$

Answer: Option B

Explanation:

• A. 18
• B. 24
• C. 36
• D. 42

Answer: Option C

Explanation:

• A. $১\frac{২}{৩}$
• B. $\frac{৫}{৬}$
• C. $১\frac{৩}{৪}$
• D. $১\frac{৫}{৬}$

Answer: Option A

Explanation:

• A. $x+y-2$
• B. $x+y+2$
• C. $x-y-2$
• D. $x-2y+1$

Answer: Option A

Explanation:

• A. ০.১
• B. ০.০১
• C. ০.০২
• D. ০.০০০১

Answer: Option A

Explanation:

• A. 18
• B. 21
• C. 27
• D. 34

Answer: Option A

Explanation:

• A. $\frac{১}{২}$
• B. $\frac{৪}{৫}$
• C. $\frac{৫}{৭}$
• D. $\frac{৪}{৯}$

Answer: Option B

Explanation:

• A. $80°$
• B. $120°$
• C. $160°$
• D. $180°$

Answer: Option D

Explanation:

• A. $x - y - 1$
• B. $x + y - 1$
• C. $x - y + 1$
• D. $x + 2 y + 1$

Answer: Option A

Explanation:

• A. $2\mathrm{\pi r}$
• B. $\frac{4}{3}{\mathrm{\pi r}}^2$
• C. $4{\mathrm{\pi r}}^2$
• D. ${\mathrm{\pi r}}^2$

Answer: Option D

Explanation:

• A. 42
• B. 48
• C. 52
• D. 76

Answer: Option C

Explanation:

• A. ০.০১
• B. ০.১
• C. ০.০০১
• D. ০.০০৪

Answer: Option A

Explanation:

• A. 8,9,10
• B. 6,7,8
• C. 4,5,6
• D. 3,4,5

Answer: Option C

Explanation: