• A. $\sqrt{২}$
• B. $৪$
• C. $১$
• D. $২\sqrt{৩}$

Answer: Option B

Explanation:

• A. 60
• B. 64
• C. 63
• D. 69

Answer: Option C

Explanation:

• A. -4 ≤ x ≤ 4
• B. -2 ≤ x ≤ 0
• C. 2 ≤ r ≤ 2
• D. -2 ≤ x ≤ 2

Answer: Option B

Explanation:

• A. $4^x$
• B. $4^{x+1}$
• C. $4^{x+4}$
• D. $4^{x+6}$

Answer: Option B

Explanation:

• A. ${\left(a+b\right)}^2$
• B. ${\left(a-b\right)}^2$
• C. ${\left(b+a\right)}^2$
• D. $a^2-b^2$

Answer: Option B

Explanation:

• A. $1$
• B. $\sqrt{5}$
• C. $3$
• D. $2\sqrt{5}$

Answer: Option B

Explanation:

• A. 3
• B. 8
• C. 9
• D. 10

Answer: Option C

Explanation:

• A. 1
• B. 3
• C. 12
• D. 15

Answer: Option D

Explanation:

• A. 1
• B. 64
• C. 19
• D. 55

Answer: Option D

Explanation:

• A. 10
• B. 12
• C. 18
• D. 22

Answer: Option B

Explanation:

• A. 2
• B. -2
• C. ০
• D. 1

Answer: Option A

Explanation:

• A. ১২৫
• B. ৬২৫
• C. ৫
• D. ২৫

Answer: Option B

Explanation:

• A. 5
• B. 6
• C. 3
• D. 4

Answer: Option B

Explanation:

• A. $\frac{x+5}{x+6}$
• B. $\frac{x+5}{x-6}$
• C. $\frac{x-5}{x+6}$
• D. $\frac{x-5}{x-6}$

Answer: Option A

Explanation:

• A. 9
• B. 12
• C. 10
• D. 14

Answer: Option A

Explanation: