10156 . বৃত্তের কেন্দ্রের কোণ কত ডিগ্রীর সমান ?

• A. 360 °
• B. 270 °
• C. 180 °
• D. 0 °

Answer: Option A

Explanation:

• A. $n^2-1$
• B. $n^2$
• C. $n^2+1$
• D. $n^2+2$

Answer: Option B

Explanation:

• A. $\frac{3\sqrt{3}}{4}{x}^2$
• B. $\frac{\sqrt{3}}{4}{x}^2$
• C. $\frac{4}{\sqrt{3}}{r}^2$
• D. $\frac{\sqrt{3}}{4}{a}^2$

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

• A. $a^2=b^2+c^2$
• B. $b^2=c^2+a^2$
• C. $c^2=a^2+b^2$
• D. কোনটিই নয়

Answer: Option C

Explanation:

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option D

Explanation:

• B. 1
• C. a-b
• D. a+b

Answer: Option B

Explanation:

• A. (6 - a)(4a - 1)
• B. (a - 6)(4a + 1)
• C. (a - b)(4a - 1)
• D. (6 - a)(4a + 1)

Answer: Option D

Explanation:

• A. 4
• B. 3
• C. 2
• D. 1

Answer: Option D

Explanation:

• A. 4
• B. 5
• C. 6
• D. 7

Answer: Option A

Explanation:

• A. $p^2-1$
• B. $p^2$
• C. $p^2+1$
• D. কোনটি নয়

Answer: Option B

Explanation:

• A. $\frac{১৫}{১৬}$ ঘণ্টা
• B. $১৫$ ঘণ্টা
• C. $৭\frac{৩}{৫}$ ঘণ্টা
• D. $৯\frac{৩}{৫}$ ঘণ্টা

Answer: Option D

Explanation:

• A. $\frac{x}{y}$ ঘণ্টা
• B. $\frac{y}{x}$
• C. $xy$
• D. কোনটিই নয়

Answer: Option A

Explanation:

• A. $\frac{4}{5}$
• B. $\frac{3}{5}$
• C. $\frac{3}{4}$
• D. $\frac{4}{5}$

Answer: Option B

Explanation:

• A. $\frac{49}{9}$
• B. $\frac{14}{9}$
• C. $\frac{7}{3}$
• D. $7$

Answer: Option A

Explanation: