1 . x=2, y=4 হলে 7x-3y=?

• A. 2
• B. 4
• C. 7
• D. 1

Answer: Option A

Explanation:

2 . If 3x=2y and 6y=7z, what is the ratio of x to z?

• A. 7:9
• B. 9:7
• C. 3:7
• D. 7:3

Answer: Option A

Explanation:

3 . If x=2y =3z and xyz =36 , what is the value of z?

• A. 2
• B. root 2
• C. root 3
• D. 3
• D. none of these

Answer: Option A

Explanation:

4 . f:R→R, fx=2x+1

• A. $0$
• B. $\frac{1}{2}$
• C. $5$
• D. $1$

Answer: Option B

Explanation:

5 . x3x=2

• A. 8
• B. 16
• C. 4
• D. 64

Answer: Option C

Explanation:

6 . ax2+b

• A. $5$
• B. $10$
• C. $15$
• D. $20$

Answer: Option B

Explanation:

7 . fx=2x2+3x-1

• A. $6$
• B. $4$
• C. $1$
• D. $-1$

Answer: Option D

Explanation:

8 . x-1x=2

• A. $1$
• B. $2$
• C. $5\sqrt{2}$
• D. $6\sqrt{2}$

Answer: Option C

Explanation:

9 . 4x=2

• A. $2$
• B. $\frac{1}{2}$
• C. $\frac{1}{8}$
• D. $\frac{1}{16}$

Answer: Option B

Explanation:

10 . x-1x=2

• A. 32
• B. 33
• C. 34
• D. 35

Answer: Option C

Explanation:

11 . x+1x=2

• A. 2
• B. 5
• C. 1
• D. 6

Answer: Option C

Explanation:

12 . x+1x=2

• A. 0
• B. -2
• C. -3
• D. -1

Answer: Option A

Explanation:

13 . x-1x=2

• A. 4
• B. 12
• C. 14
• D. 16

Answer: Option C

Explanation:

14 . x-1x=2

• A. 30
• B. 31
• C. 32
• D. 34

Answer: Option D

Explanation:

15 . x+1x=2

• A. $2$
• B. $4$
• C. $27$
• D. $64$

Answer: Option A

Explanation:

16 . x-1x=2

• A. 12
• B. 14
• C. 2
• D. 4

Answer: Option B

Explanation:

17 . x-1x=2

• A. 30
• B. 31
• C. 32
• D. 34

Answer: Option D

Explanation:

18 . x+1x=2

• A. 2
• B. 8
• C. 4
• D. 1

Answer: Option D

Explanation:

19 . fx=x3-3x2-9x

• A. $f"\left(2\right)<0$
• B. $f"\left(2\right)>0$
• C. $f"\left(2\right)=0$
• D. $f\text{'}\left(2\right)=0$

Answer: Option B

Explanation:

20 . যদি x=2-√3 হয় তাহলে x^2 এর মান কত?

• A. 1
• B. 7-4√3
• C. 2+√3
• D. 1/2-√3

Answer: Option B

Explanation:

21 . x=2

• A. 72
• B. 73
• C. 74
• D. 75

Answer: Option B

Explanation:

22 . log10x=2

• A. 0.01
• B. 0.001
• C. 0.02
• D. 0.002

Answer: Option A

Explanation:

23 . 2x=2y=4-z then 1x+1y+1z is equal to:

• A. $0$
• B. $1$
• C. $\frac{3}{2}$
• D. $-\frac{1}{2}$

Answer: Option A

Explanation:

24 . f:R→R,fx=2x+1

• A. 0
• B. $\frac{1}{2}$
• C. 5
• D. 1

Answer: Option B

Explanation:

25 . x+1x=2

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

Answer: Option B

Explanation:

26 . x+1x=2

• A. 1
• B. 2
• C. 3
• D. 8

Answer: Option B

Explanation:

27 . x+1x=2

• A. 2
• B. 3
• C. 1
• D. 4

Answer: Option C

Explanation:

28 . ax2+b

• A. 5
• B. 10
• C. 15
• D. 20

Answer: Option B

Explanation:

29 . xy=yx,x=2yx≠0,y≠0

• A. (8,4)
• B. ( 6,3)
• C. (2,1)
• D. (4,2)

Answer: Option D

Explanation:

30 . y=3x, x-অক্ষ এবং x=2 রেখা দ্বারা আবদ্ধ ক্ষেত্রের ক্ষেত্রফল-

• A. 12
• B. 10
• C. 6
• D. কোনোটিই নয়

Answer: Option C

Explanation:

31 . 2x=2y+5 হলে 4x- 6y= কত ?

• A. ১০
• B. ১২
• C. ১৬
• D. ২০

Answer: Option A

Explanation:

32 . x=2secθ

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

Answer: Option A

Explanation:

33 . ∫0a1a2-x2dx=2 ?

• A. $\frac{\mathrm{\pi }}{3}$
• B. $\frac{\mathrm{\pi }}{2}$
• C. $\frac{\mathrm{\pi }}{6}$
• D. $\mathrm{\pi }$

Answer: Option B

Explanation:

34 . 2cos2x+3cosx=2 0<θ<2π

• A. $\left\{\frac{\pi }{3},\frac{5\pi }{3}\right\}$
• B. $\left\{\frac{\pi }{3},\pi \right\}$
• C. $\left\{\frac{\pi }{3},\frac{2\pi }{3}\right\}$
• D. $\left\{\frac{\pi }{2},\frac{5\pi }{3}\right\}$

Answer: Option A

Explanation:

35 . x=2secθ

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

Answer: Option A

Explanation:

36 . fx=2x+1x-3

• A. R
• B. $\left(3,\infty \right)$
• C. $\left(-\infty .3\right)$
• D. $R-\left\{3\right\}$

Answer: Option A

Explanation:

37 . যদি x=2 এবং y=-1 হয়, তাহলে নিচের কোনটি সবচেয়ে বড়?

• A. x+y
• B. xy
• C. x-y-1
• D. -x+y

Answer: Option C

Explanation: