1 . If x +5y=16 and x=-3y, then y=?

• A. 3
• B. 5
• C. 8
• D. 11

Answer: Option C

Explanation:

2 . x+5y=16 এবং x=-3y হলে, y-এর মান কত?

• A. 24
• B. -2
• C. 8
• D. 2

Answer: Option C

Explanation:

3 . x=-3,

• A. -27
• B. -18
• C. 27
• D. 81

Answer: Option A

Explanation:

4 . x=-3

• A. 1
• B. 64
• C. 19
• D. 55

Answer: Option D

Explanation:

5 . -3x1

• A. -9
• B. 9
• C. 18
• D. -27

Answer: Option B

Explanation:

6 . 34

• A. $\frac{2}{3}$
• B. $\frac{\sqrt{2}}{3}$
• C. $\frac{\sqrt{7}}{4}$
• D. $\frac{1}{4}$

Answer: Option C

Explanation:

7 . log10x=-3

• A. 0.1
• B. 0.01
• C. 0.0001
• D. 0.00001

Answer: Option C

Explanation:

8 . x=-3

• A. $36$
• B. $-36$
• C. $-12$
• D. $12$

Answer: Option C

Explanation:

9 . log10x=-3

• A. 0.1
• B. 0.01
• C. 0.001
• D. 0.0001

Answer: Option C

Explanation: