1 . যদি a3 - b3 = 513 এবং a-b = 3 হয় তবে ab এর মান কত?

• A. 54
• B. 35
• C. 45
• D. 55

Answer: Option A

Explanation:

2 . 165135 যদি Peace হয়, তবে 1215225 হবে-

• A. Lead
• B. Love
• C. Loop
• D. Castle

Answer: Option B

Explanation:

3 . a3-b3=513

• A. 35
• B. 45
• C. 54
• D. 55

Answer: Option C

Explanation:

4 . sinθ=513

• A. $\frac{5}{12}$
• B. $\frac{12}{5}$
• C. $\frac{13}{5}$
• D. $\frac{13}{5}$

Answer: Option C

Explanation:

5 . sinθ=513

• A. $3/4$
• B. $5/12$
• C. $12/13$
• D. $5/13$

Answer: Option B

Explanation: