• A. ab
• B. b+2a+2
• C. a+b+1
• D. 2a+4b

Answer: Option D

Explanation:

• A. $4x$
• B. $6x$
• C. $4$
• D. $8$

Answer: Option B

Explanation:

• A. a+b
• C. a+b+c
• D. c

Answer: Option B

Explanation:

• A. x
• B. y
• C. 2xy
• D. -2xy

Answer: Option D

Explanation:

• A. a2 − b2
• B. ( a + b )2 ( a − b )
• C. a+b
• D. a - b

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. $m=1, n=10$
• B. $m=2, n=20$
• C. $m=3, n=30$
• D. $m=4, n=40$

Answer: Option B

Explanation:

• A. $\frac{3}{25}$
• B. $\frac{25}{144}$
• C. $\frac{25}{144}$
• D. $\frac{11}{19}$

Answer: Option B

Explanation:

• A. $৩$
• B. $২$
• C. $১$
• D. $০$

Answer: Option D

Explanation:

• A. $\frac{3}{2}$
• B. $\frac{4}{9}$
• C. $\frac{9}{4}$
• D. $\frac{2}{3}$

Answer: Option C

Explanation:

• A. 12
• B. 14
• C. 16
• D. 18

Answer: Option D

Explanation:

• A. $-\frac{3}{2}<x<-1$
• B. $-\frac{3}{2}<x<1$
• C. $-\frac{3}{2}\le x\le 1$
• D. $-\frac{3}{2}<x\le 1$

Answer: Option A

Explanation:

• A. $-2<x<1$
• B. $-1<x<0$
• C. $0<x<1$
• D. $-1<x<1$

Answer: Option C

Explanation:

• A. $1<x<2$
• B. $x\le 2 \text{অথবা} x\ge 2$
• C. $1\le x\le 2$
• D. $-1<x<2$

Answer: Option C

Explanation:

• A. $3\sqrt{2}$
• B. $18\sqrt{3}$
• C. $12\sqrt{3}$
• D. 8

Answer: Option B

Explanation: