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

Answer: Option C

Explanation:

• A. 5
• B. 10
• C. 9
• D. 7

Answer: Option A

Explanation:

• A. $-\frac{1}{a}$
• B. -1
• D. $\frac{1}{a}$

Answer: Option C

Explanation:

• A. 1
• B. -1
• C. 1/p
• D. (p-1)

Answer: Option D

Explanation:

• B. 1
• C. $\sqrt{2}$
• D. i

Answer: Option B

Explanation:

• A. $\tan \frac{p}{2}$
• B. $\cot \frac{p}{2}$
• C. $\cos \frac{p}{2}$
• D. $\sin \frac{p}{2}$

Answer: Option B

Explanation:

• A. $\left(1-x\right)\left(1-7x\right)$
• B. $\left(1+x\right)\left(1+7x\right)$
• C. $\left(1+x\right)\left(1-7x\right)$
• D. $\left(1-x\right)\left(1+7x\right)$

Answer: Option D

Explanation:

• A. $x\left(x-1\right)$
• B. $\frac{x\left(x+1\right)}{2}$
• C. $x\left(x+1\right)$
• D. $x^2$

Answer: Option D

Explanation:

• A. 253
• B. 254
• C. 256
• D. 258

Answer: Option A

Explanation:

• A. 210
• B. 212
• C. 214
• D. 220

Answer: Option A

Explanation:

• A. 168
• B. 171
• C. 174
• D. 176

Answer: Option B

Explanation:

• A. ৭
• B. ৯
• C. ১০
• D. ১২

Answer: Option A

Explanation:

• A. $\frac{121}{81}$
• B. $\frac{119}{81}$
• C. $\frac{81}{121}$
• D. $-\frac{121}{81}$

Answer: Option A

Explanation:

• A. $\sqrt{2}$
• B. $4$
• C. $\sqrt{3}$
• D. $2\sqrt{1}$

Answer: Option B

Explanation:

• A. $\frac{2}{3}$
• B. $\frac{1}{3}$
• C. $\frac{4}{3}$
• D. $\frac{5}{3}$

Answer: Option B

Explanation: