1 . 2a equal 10 and ---- a equal 5?

• A. eventually
• B. thus
• C. therefore
• D. thereby

Answer: Option C

Explanation:

2 . 2a ও 6b এর সংখ্যা সহগগুলোর গ.সা.গু কত?

• A. 1
• B. 2
• C. ab
• D. 6ab

Answer: Option B

Explanation:

3 . 2a equals 10 and --- a equals 5. ?

• A. eventually
• B. thus
• C. therefore
• D. thereby

Answer: Option C

Explanation:

4 . If 32a + b = 16a + b, then a =?

• A. -b
• B. b + 2
• C. 2b
• D. 3b

Answer: Option A

Explanation:

5 . a + b = 12, a - b = 2 হলে 2ab = ?

• A. 35
• B. 70
• C. 140
• D. 148

Answer: Option B

Explanation:

6 . যদি a, b বাস্তব সংখ্যা হয় এবং a ≠ 0, b ≠ 0 হয়, তবে a2b0 + b2a0 এর মান কত?

• A. a + b
• B. 2
• C. 0
• D. a2 + b2

Answer: Option D

Explanation:

7 . সাধারণ উৎপাদক নির্নয় করুনঃ a² - b² - c² - 2bc, b² - c² - a² -2ac

• A. a + b + c
• B. b + c - a
• C. a + b - c
• D. a - b + c

Answer: Option A

Explanation:

8 . উৎপাদকে বিশ্লেষণ করুনঃ x2 - 2ax + (a + b)(a - b)

• A. (x + a + b)(x - a - b)
• B. (x + a - b)(x - a - b)
• C. (x - a - b)(x - a + b)
• D. (x - a + b)(x + a - b)

Answer: Option C

Explanation:

9 . a3 - 2a2 - 3a + 4 এর উৎপাদক কোনটি?

• A. (a + 1) (a2 - a - 4)
• B. (a - 1) (a2 + a - 4)
• C. (a + 1) (a2 + a + 4)
• D. (a - 1) (a2 - a - 4)

Answer: Option D

Explanation:

10 . a2 - c2 + 2ab + b2 এর উৎপাদক কোনটি?

• A. (a - b + c) (a - b + c)
• B. (a + b + c) (a + b - c)
• C. (a + b + c) (a - b - c)
• D. (a - b + c) (a - b - c)

Answer: Option D

Explanation:

11 . Choose the most appropriate word: 2a equals 10, and______

• A. eventually
• B. thus
• C. therefore
• D. thereby

Answer: Option C

Explanation:

12 . (2a + 5b + 3c)2 + (5b + 3c - a)2 - 2 (2a + 5b + 3c) (5b + 3c - a) এর সরলকৃত রূপ কোনটি?

• A. 4ab
• B. 9a2
• C. 6b2
• D. 4a2

Answer: Option B

Explanation:

13 . (ab + 2a + 3b)/2ab = কত?

• A. 3/2ab
• B. 3/2a
• C. 1/2ab
• D. 1/2 + 1/b + 3/2a

Answer: Option D

Explanation:

14 . (a + b)/(a - b) - (b + 2a)/(b - a) = কত?

• A. (a² - b²)/(a + b)
• B. (a - b)/(a + b)
• C. (a + b)/(a - b)
• D. (3a + 2b)/(a - b)

Answer: Option D

Explanation:

15 . সমাধান করুনঃ x - y = 2a ax + by = a2 + b2

• A. x = 2a, y = 0
• B. x = a, y = b
• C. x = a - b, y = a + b
• D. x = a + b, y = b - a

Answer: Option D

Explanation:

16 . a2 - x2a + y × a2 - y2ax + x2 × 1a - x = কত?

• A. a + yx
• B. a - yx
• C. x + ay
• D. x - ya

Answer: Option B

Explanation:

17 . a2 + b2 - c2 +2aba2 - b2 + c2 +2ac = কত?

• A. a +b + c
• B. a + b - ca - b + c
• C. a - b + ca + b - c
• D. a + b - ca + b + c

Answer: Option B

Explanation:

18 . a2 - 2ab থেকে কত বিয়োগ করলে বিয়োগফল একটি পূর্ণ বর্গ হবে?

• A. -b2
• B. b
• C. b3
• D. -a

Answer: Option A

Explanation:

19 . a3 + b3a + b কে a4 + b4 + a2b2a3 + b3 দিয়ে ভাগ করলে ভাগফল কত হবে?

• A. a + b
• B. a - b
• C. a2 + b2
• D. a2 - b2

Answer: Option B

Explanation:

20 . a = 2, b = 3 হলে 2a + 4b এর সাথে 2a2 +a - b যোগ করলে যোগফল কত হবে?

• A. 15
• B. 17
• C. 19
• D. 23

Answer: Option D

Explanation:

21 . ax2 + 2a, x4 - 4, x4 + 4x2 + 4 এদের গ.সা.গু. কত?

• A. a(x2 + 2)
• B. x2 - 2
• C. x2 + 2
• D. 1

Answer: Option C

Explanation:

22 . 2a2b, 3ab2c এর ল.সা.গু. কত?

• A. 3abc
• B. 6abc
• C. 6a2b2c
• D. 2abc

Answer: Option C

Explanation:

23 . 33Ω resister সার্কিটে 2A তড়িৎ প্রবাহ চালিত হলে রেজিস্টারের ভোল্টেজ কত?

• A. 33 V
• B. 66 V
• C. 80 V
• D. 132 V

Answer: Option B

Explanation:

24 . ABC সমকোণী ত্রিভুজের B কোণ সমকোণ এবং AB=a , BC = 2a হলে, নীচের কোনটি সত্য?

• A. A c 2 = 3 a 2
• B. A C = 5 a
• C. C 2 = 5 a 2
• D. A C 2 = 7 a 2

Answer: Option B

Explanation:

25 . 2a ও 2b এর গ.সা.গু কত?

• A. 1
• B. 6
• C. a
• D. b

Answer: Option A

Explanation:

26 . 100 পাকবিশিস্ট একটি কুণ্ডলিতে 2A তড়িৎ প্রবাহ চালালে 0.02 Wb চৌম্বক ফ্লাক্স উতপন্ন হয় । কুণ্ডলীর স্বকীয় আবেশ গুনাঙ্ক কত ?

• A. 1.0 H
• B. 0.5 H
• C. 1.5 H
• D. 0.4 H

Answer: Option A

Explanation:

27 . 2A = 3B 2B = 5C এবং 3C = 4D হলে A:B :C:D =কত?

• A. 4:8:15:20
• B. 15:10 4:3
• C. 4:6:15:20
• D. 4:8:10:20

Answer: Option B

Explanation:

28 . A square is inscribed in a circle of diameter 2a and another square is circumscribing circle. The difference between the areas of outer and inner squares is:

• A. a^2
• B. 2a^2
• C. 3a^2
• D. 4a^2

Answer: Option B

Explanation:

29 . If A,B,C and D are positive Integers such that 4A=9B,17C=11D. and 5C=12A. then the arrangement of the four numbers from greatest to least is --

• A. CDAB
• B. BACD
• C. DCAB
• D. DCBA
• D. BDAC

Answer: Option C

Explanation:

30 . If 12a + 3b =1 and 7b-2a=9, what is the average of a and b?

• A. 0.1
• B. 0.5
• C. 1
• D. 2.5

Answer: Option B

Explanation:

31 . If 2A = 3B = 4C, Than, A : B : C is.

• A. 2 : 3 : 4
• B. 4 : 3 : 2
• C. 6 : 4 : 3
• D. 20 : 15 : 2

Answer: Option C

Explanation:

32 . ত্রিভুজ ABC এ B কোণের পরিমাণ 90°। যদি AC = 2AB হয়, তবে C কোণের পরিমাণ কত? 

• A. 45°
• B. 30°
• C. 60°
• D. 90°

Answer: Option B

Explanation:

33 . ∆ABC-∠B=90°,I∫AC=2AB

• A. $45°$
• B. $22.5°$
• C. $30°$
• D. $60°$

Answer: Option C

Explanation:

34 . 4a+b,10a-b

• A. $a-b$
• B. $a+b$
• C. $12\left(a^2-b^2\right)$
• D. $2$

Answer: Option D

Explanation:

35 . 1-a2+2ab-b2

• A. $\left(1+a-b\right)\left(1-a+b\right)$
• B. $\left(1+a+b\right)\left(1-a+b\right)$
• C. $\left(1+a+b\right)\left(1-a-b\right)$
• D. $\left(1-a+b\right)\left(1-a-b\right)$

Answer: Option A

Explanation:

36 . a2+b2-c2+2aba2-b2+c2+2ac=?

• A. $a+b+c$
• B. $\frac{a+b-c}{a-b+c}$
• C. $\frac{a-b+c}{a+b-c}$
• D. $\frac{a+b-c}{a+b+c}$

Answer: Option B

Explanation:

37 . 12a+b2+a-b2=

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

Answer: Option A

Explanation:

38 . 16x2-25y2

• A. $6ax-10ay$
• B. $4x+5y$
• C. $4ax-5ay$
• D. $4x-5y$

Answer: Option D

Explanation:

39 . 2a2+6a-80

• A. $2\left(a-8\right)$
• B. $\left(1+5\right)$
• C. $\left(a+4\right)$
• D. $\left(a+8\right)$

Answer: Option D

Explanation:

40 . x2a+1=1

• A. $-2$
• B. $2$
• C. $1$
• D. $-1$

Answer: Option D

Explanation:

41 .  a=2, b = 3 

• A. 15
• B. 17
• C. 19
• D. 23

Answer: Option D

Explanation:

42 . 45°

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

Answer: Option B

Explanation:

43 . A=30°

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

Answer: Option D

Explanation:

44 . 11+tan2A+11+cos2A

• A. $\frac{1}{\sin A}$
• B. $1$
• C. $\frac{1}{\cos A}$
• D. $\frac{1}{\tan A}$

Answer: Option C

Explanation:

45 . a=15

• A. 30
• B. 10
• C. 15
• D. 20

Answer: Option B

Explanation:

46 . 2a2+b2=

• A. ${\left(a+b\right)}^2-{\left(a-b\right)}^2$
• B. ${\left(a-b\right)}^2-{\left(a+b\right)}^2$
• C. ${\left(a+b\right)}^2+{\left(a-b\right)}^2$
• D. ${\left(a+b\right)}^2-4ab$

Answer: Option C

Explanation:

47 . 1/2a+b2+a-b2=

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

Answer: Option A

Explanation:

48 . Choose appropriate preposition and complete: "He was born exactly___2am.'

• A. at
• B. of
• C. by
• D. in

Answer: Option A

Explanation:

49 . a+b+c=0

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

Answer: Option D

Explanation:

50 . sinA+sin2A=1

• A. 1
• B. 1/2
• C. 2
• D. 3

Answer: Option A

Explanation:

51 . If A + B = 2C and C + D = 2A , then

• A. A + C = B + D
• B. A + C = 2D
• C. A + D = B + C
• D. A + C = 2B

Answer: Option A

Explanation:

52 . a2+1<2a+4

• A. $a<-1$
• B. $a<3$
• C. $a=0$
• D. $a=3$

Answer: Option B

Explanation:

53 . a2+2ab-2b-1

• A. a+1
• B. b+1
• C. a-2
• D. a-1

Answer: Option D

Explanation:

54 . a2+2ab-c

• A. 1
• B. 2
• C. 4
• D. 6

Answer: Option B

Explanation:

55 . 1-a2+2ab-b2

• A. (1+a+b)(1-a+b)
• B. (1+a+b)(1-a-b)
• C. (1+a+b)(1+a-b)
• D. (1+a-b)(1-a+b)

Answer: Option D

Explanation:

56 . 2a4-5a3+6a2-5a+2

• A. $2a^2-a+2$
• B. $2a^2-a-2$
• C. $a-2$
• D. $a^2-1$

Answer: Option A

Explanation:

57 . 2a-b+-5b-a

• A. $\frac{-10}{\left(2ab-a-b\right)}$
• B. $\frac{-3}{\left(a-b\right)}$
• C. $\frac{-7}{\left(a-b\right)}$
• D. $\frac{-7}{\left(b-a\right)}$

Answer: Option D

Explanation:

58 . 9a3b2c2,9a3b2c212a2bc,15ab3c3

• A. 9abc
• B. $9a^3{b}^3{c}^3$
• C. $3a^3{b}^3{c}^3$
• D. 3abc

Answer: Option D

Explanation:

59 . x=a2-7a+6,y=a2-2a+1,z=a2-5a+4

• A. $\left(a-4\right)$
• B. $\left(a-1\right)$
• C. $\left(a-6\right)$
• D. ${\left(a-1\right)}^2$

Answer: Option B

Explanation:

60 . a2-2ab+b2=

• A. 36
• B. 100
• C. 289
• D. 374

Answer: Option A

Explanation:

61 . a2+b2+c2+2ab-2bc

• A. -2ab
• B. 2bc
• C. 2ca
• D. -2ca

Answer: Option D

Explanation:

62 . a3-b3a+b

• A. $a-b$
• B. $a+b$
• C. $a^2-b^2$
• D. $a^2+b^2$

Answer: Option A

Explanation:

63 . 2a2+7ab-15b2

• A. (a+5b)(2a-3b)
• B. (a-5b)(2a+3b)
• C. (a-5b)(2a-3b)
• D. (a-5b)(a+5b)

Answer: Option A

Explanation:

64 . 2a2+6a-80

• A. $2\left(a-8\right)$
• B. $\left(a+5\right)$
• C. $\left(a+4\right)$
• D. $\left(a+8\right)$

Answer: Option D

Explanation:

65 . xy+2ay+3ax+6a2=?

• A. x(x+a)(y+3a)
• B. (x+7a)(y+3a)
• C. (x+5a)(y+3a)
• D. (x+2a)(y+3a)

Answer: Option D

Explanation:

66 . Which of the following statements is always true? (a, b and c are real numbers and not equal to zero)? 1/a is less than a. (a + b)/2a equals 2b/(a + b) when a equals b. (a + b)/(b + c) is more than a/b.

• A. I and II
• B. I and III
• C. Only II
• D. II and III

Answer: Option C

Explanation:

67 . 12a+b2+a-b2=কত ?  

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

Answer: Option A

Explanation:

68 . x2a2+y2b2=1

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

Answer: Option C

Explanation:

69 . y2=4ax

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

Answer: Option B

Explanation:

70 . 2a

• A. $r=\sqrt{2}a$
• B. $\sqrt{2}r=a$
• C. r = 2a
• D. $r=2\sqrt{a}$

Answer: Option A

Explanation:

71 . 2Ag⇌Bg

• A. $K_p>K_c$
• B. $K_p<K_c$
• C. $K_p=K_c$
• D. $\frac{K_p}{K_c}=2$

Answer: Option B

Explanation:

72 . x2a2-y2b2=1

• A. $x=\tan \theta ,y=b\sec \theta$
• B. $x=b\tan \theta ,y=a\sec \theta$
• C. $x=a\sec \theta ,y=b\tan \theta$
• D. $x=b\sec \theta ,y=a\tan \theta$

Answer: Option C

Explanation:

73 . x2-11x+a=0 ও x2-14x+2a=0

• A. 0, 24
• B. 0,-24
• C. 1,-1
• D. -2,1

Answer: Option A

Explanation:

74 . i-2a+1=0

• A. i
• B. -i
• C. -1
• D. 1

Answer: Option A

Explanation:

75 . ∫x=x2a-x

• A. a
• B. 2a
• C. $2a^2$
• D. mn
• D. $a^2$

Answer: Option A

Explanation:

76 . A+B=π2

• A. sin(A - B)
• B. sin(B-A)
• C. 1
• D. 0

Answer: Option B

Explanation:

77 . tan-12x1-x2=sin-12a1+a2+cos-11-b21+b2

• A. $\frac{a-b}{1+ab}$
• B. $\frac{a+b}{1-ab}$
• C. $\frac{2ab}{1+ab}$
• D. $\frac{2ab}{1-ab}$

Answer: Option B

Explanation:

78 . x=3+at2,y=2at

• A. (0.0)
• B. (2,0)
• C. (3,0)
• D. (2,3)

Answer: Option C

Explanation:

79 . x2+y2=2ax

• A. $x^2+y^2+3ax+by=0$
• B. $x^2+y^2-3ax+by=0$
• C. $x^2+y^2-3ax-by=0$
• D. $x^2+y^2+3ax-by=0$

Answer: Option B

Explanation:

80 . 50Ω

• A. 1 kg
• B. 0.5 kg
• C. 0.25 kg
• D. 0.0476 kg

Answer: Option D

Explanation:

81 . 10 cm দৈর্ঘের 2A তড়িৎ প্রবাহবিশিষ্ট একটি তারকে 0.2 T চৌম্বকক্ষেত্রের লম্বভাবে স্থাপন করা হলো । তারের উপর প্রযুক্ত বল কত?

• A. 4 N
• B. 0.04 N
• C. 25 N
• D. 40 N

Answer: Option B

Explanation:

82 . x2a2+y2b2=1

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

Answer: Option C

Explanation:

83 . P →=aI^-2J^+K^

• A. 1, 2
• B. -1, 2
• C. 1, -2
• D. -1, -2

Answer: Option C

Explanation:

84 . 3x + 7y = 21 এবং 2ax - 3by + 6 = 0 সমীকরণদ্বয় একই সরলরেখা সূচিত করলে a এবং b এর মান হবে যথাক্রমে -

• A. -3/7, 2/3
• B. 3/7, -2/3
• C. 3/7 , 2/4
• D.

Answer: Option A

Explanation:

85 . x² + y² - 2ax = 0 সমীকরণটির পোলার সমীকরন হবে

• A. r = 2a cosθ
• B. r² = 2a cosθ
• C. r² = 2a sinθ
• D.

Answer: Option A

Explanation:

86 . Sn(s) + 2Ag⁺(aq) → SN₂⁺(aq) + 2Ag(s) - বিক্রিয়াটির ক্ষেত্রে নিম্নের কোনটি কোষের বৃদ্ধি করে?

• A. increase in the concentration of Ag+ ions
• B. increase in the size of tin rod
• C. increase in the concentration of SN₂+ ions
• D.

Answer: Option A

Explanation:

87 . একটি স্টেপ আপ ট্রান্সফরমারের মূখ্য ও গৌণ কুণ্ডলীর অনুপাত 1:20 মুখ্য কুণ্ডলীতে 100 v প্রদান করলে 2A বিদ্যুৎ গৌণ কুণ্ডলীতে পাওয়া যায়। মুখ্য কুণ্ডলীর প্রবাহ কত?

• A. 40 amp
• B. 50 amp
• C. 28.28 amp
• D. কোনোটিই নয়

Answer: Option A

Explanation:

88 . যদি a=17 এবং b=11 হয়,তবে  a2− 2ab + b2 = কত ?

• A. 36
• B. 100
• C. 289
• D. 374

Answer: Option A

Explanation: