• A. $x^2+y^2=4$
• B. $z^2+y^2=1$
• C. $2\left(x^2++y^2\right)=1$
• D. $3\left(x^2+y^2\right)=4$

Answer: Option B

Explanation:

• A. π
• B. 1
• D. -1

Answer: Option C

Explanation:

• A. π
• B. 1
• D. -1

Answer: Option C

Explanation:

• A. xy >-2
• B. -x<2y
• C. xy<-2
• D. -x>2y

Answer: Option A

Explanation:

• A. $1,\frac{1}{2}$
• B. $3,\frac{1}{5}$
• C. $1,\frac{1}{3}$
• D. $1,-\frac{1}{3}$

Answer: Option D

Explanation:

• A. অধিবৃত্ত
• B. উপবৃত্ত
• C. বৃত্ত
• D. সরলরেখা

Answer: Option B

Explanation:

• A. অধিবৃত্ত
• B. উপবৃত্ত
• C. বৃত্ত
• D. সরলরেখা

Answer: Option C

Explanation:

• A. একটি স্বাভাবিক সংখ্যা
• B. একটি পূর্ণ সংখ্যা
• C. একটি মূলদ সংখ্যা
• D. একটি অমূলদ সংখ্যা

Answer: Option D

Explanation:

• A. 16
• B. 8
• C. 34
• D. 12

Answer: Option B

Explanation:

• A. $1$
• B. $0$
• C. $\frac{1}{\sqrt{2}}$
• D. $1/2$

Answer: Option B

Explanation:

• A. 36
• B. 100
• C. 289
• D. 374

Answer: Option A

Explanation:

• A. 50
• B. 125
• C. 5
• D. 1

Answer: Option D

Explanation:

• A. $১২$
• B. $১৩$
• C. $১৪$
• D. $১৫$

Answer: Option B

Explanation:

• A. 5
• B. 25
• C. -25
• D. -5

Answer: Option A

Explanation:

• A. x+y=24
• B. x+y=48
• C. x+y=12
• D. 4x+2y=96

Answer: Option B

Explanation: