• A. (a - b)2 -2ab
• B. (a - b)2 - 4ab
• C. (a + b)2 + 2ab
• D. (a + b)2 - 2ab

Answer: Option D

Explanation:

• A. a +b + c
• B. a + b - ca - b + c
• C. a - b + ca + b - c
• D. a + b - ca + b + c

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

• A. ±4
• B. ±6
• C. ±8
• D. ±7

Answer: Option D

Explanation:

• A. a
• B. 1
• C. 2a
• D. 2

Answer: Option B

Explanation:

• A. c/(a + b)
• B. ab/(a + b)
• C. a/b + c
• D. (a + b)/c

Answer: Option D

Explanation:

• A. bp = aq
• B. ap = bq
• C. ab = pq
• D. কোনটিই সঠিক নয়

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. $১$ দিন
• B. $১\frac{৫}{৭}$
• C. $২\frac{৩}{৭}$
• D. $৩$দিন

Answer: Option B

Explanation:

• A. দক্ষিণে
• B. উত্তর-পশ্চিমে
• C. উত্তর-পূর্বে
• D. দক্ষিণ-পশ্চিমে

Answer: Option D

Explanation:

• A. 9/4
• B. 4/9
• C. 5/4
• D. 11/9

Answer: Option A

Explanation:

• A. a/b
• B. a2/ab
• C. a2/b
• D. ab

Answer: Option C

Explanation:

• A. ১৯ কি.মি
• B. ৭ কি.মি
• C. ৫ কি.মি
• D. ৩ কি.মি

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. √2a2 একক
• B. √3a একক
• C. √2a একক
• D. √3a2 একক

Answer: Option C

Explanation: