• A. 7/8
• B. 5/6
• C. 3/4
• D. 3/5

Answer: Option D

Explanation:

• A. ৯ ঘন্টা
• B. ৬ ঘন্টা
• C. ৭ ঘন্টা
• D. ৮ ঘন্টা

Answer: Option C

Explanation:

• A. ১ মিনিট
• B. ৫ মিনিট
• C. ১০ মিনিট
• D. ৫০ মিনিট

Answer: Option A

Explanation:

• A. x2 + x + 1
• B. x2 - x + 1
• C. x2 + 1
• D. x + 1

Answer: Option B

Explanation:

• A. (a2 + 2a + 2)(a2 + 2a - 2)
• B. (a2 + 2a + 2)(a2 - 2a + 2)
• C. (a2 - 2a + 2)(a2 + 2a - 2)
• D. (a2 - 2a - 2)(a2 - 2a + 2)

Answer: Option B

Explanation:

• A. (p3 - q3)(p3 + q3)
• B. (p + q)(p2 - pq + q2)(p3 - q3)
• C. (p2 - q2)(p2 - pq + q2)(p2 - pq + q2)
• D. (p + q)(p - q)(p2 - pq + q2)(p2 - pq + q2)

Answer: Option D

Explanation:

• A. (x - y - 1)(x - y + 1)
• B. (x - y + 1)(x + y - 1)
• C. (x + y - 1)(x - y + 1)
• D. (x - y)(x + y + 1)

Answer: Option C

Explanation:

• A. (5x - 3y)(x + 3y)
• B. (5x - 3y)(x - 3y)
• C. (5x + 3y)(x - 3y)
• D. কোনটিয় নয়

Answer: Option A

Explanation:

• A. (a + b)(a + b)(a + b)
• B. (a + b)(a2 + b2)
• C. (a - b)(a + b)(a2 + b2)
• D. (a + b)(a2 - ab + b2)

Answer: Option D

Explanation:

• A. (a + 1)(a + 1)
• B. (a + 1)(a2 + a + 1)
• C. (a - 1)(a2 - a + 1)
• D. (a + 1)(a2 - a + 1)

Answer: Option D

Explanation:

• A. x - 2
• B. x - 4
• C. x2 - x - 2
• D. x2 - 2x - 2

Answer: Option A

Explanation:

• A. (x + 2)(x - 5)
• B. (x - 2)(x + 5)
• C. (x + 3)(x - 5)
• D. (x - 3)(x + 5)

Answer: Option A

Explanation:

• A. x2 - y2 + 3y + 3
• B. xy - 3y + y2
• C. xy - y2 + 3x - 3y
• D. xy - 3y + y2 + 3x

Answer: Option C

Explanation:

• A. x3 - 15x - 14 = 0
• B. 5x2 - 11x - 12 = 0
• C. 11x2 + 16x - 15 = 0
• D. কোনটাই নয়

Answer: Option B

Explanation:

• A. (a + 1)(a - 2)(a - 3)
• B. (a - 1)(a + 2)(a - 3)
• C. (a + 1)(a + 2)(a - 3)
• D. (a - 1)(a - 2)(a - 3)

Answer: Option C

Explanation: