McqMate

40

32.9k

1. |
## George cantor is the |

A. | Father of Mathematics |

B. | Father of statistics |

C. | Father of Set Theory |

D. | None |

Answer» C. Father of Set Theory |

2. |
## Which method is also known as tabular method |

A. | Roster method |

B. | Set builder form |

C. | Both a and b |

D. | None |

Answer» A. Roster method |

3. |
## Which is also known as property method |

A. | Roster method |

B. | Set builder method |

C. | Both a and b |

D. | None |

Answer» B. Set builder method |

4. |
## A set with no elements is a |

A. | Null set |

B. | Finite set |

C. | Infinite set |

D. | None |

Answer» A. Null set |

5. |
## A set which is empty (or) consists of a definite number of elements is called |

A. | Null set |

B. | Finite set |

C. | Infinite set |

D. | None |

Answer» B. Finite set |

6. |
## Two set A and B are said to be equal if they have exactly the same elements and we write it |

A. | A ≠ B |

B. | A = B |

C. | A € B |

D. | None |

Answer» B. A = B |

7. |
## Two finite sets A and B are said to be equivalent set if cardinality of both sets are |

A. | Equal |

B. | Not equal |

C. | Similar |

D. | none |

Answer» A. Equal |

8. |
## Which of the following are examples of null set |

A. | Set of even prime numbers |

B. | Set of letters in English alphabets |

C. | Set of odd natural numbers divisible by 2 |

D. | All the above |

Answer» C. Set of odd natural numbers divisible by 2 |

9. |
## In the following state whether A=B |

A. | A= {4,8,12,16} B = {8,4,16,18} |

B. | A= {x : x is a multiple of 10 } B= {10, 15, 20, 25 ….} |

C. | A= {a, b, c, d} B = {d, c, b, a} |

D. | None |

Answer» C. A= {a, b, c, d} B = {d, c, b, a} |

10. |
## A set ‘A’ is said to be a subset of a set B if every element of A is |

A. | Also an element of A |

B. | Also an element of B |

C. | Not an element of B |

D. | Not an element of A |

Answer» B. Also an element of B |

11. |
## The Value of determinant a b c d is |

A. | ad – bc |

B. | ab – cd |

C. | bd – ac |

D. | bc - ad |

Answer» A. ad – bc |

12. |
## a 0 b −a is = |

A. | ab |

B. | 0 |

C. | a2 |

D. | b |

Answer» C. a2 |

13. |
## The Value of the determinant 5 6 3 4 is ______ |

A. | 2 |

B. | - 2 |

C. | 38 |

D. | - 38 |

Answer» A. 2 |

14. |
## if the rows and columns of determinant are interchanged, the determinate value …………………. |

A. | Remains the same |

B. | The sign of the value is changed |

C. | Becomes zero |

D. | None |

Answer» A. Remains the same |

15. |
## A matrix with equal number of rows and colume is called |

A. | Square matrix |

B. | Column |

C. | Row |

D. | none |

Answer» A. Square matrix |

16. |
## A matrix in which every element is Zero |

A. | Unit |

B. | Diagonal |

C. | Scalar |

D. | Null |

Answer» D. Null |

17. |
## A square matrix in which all the laments except those in leading diagonal are zero is called ……………. Matrix |

A. | Zero |

B. | Null |

C. | Diagonal |

D. | None |

Answer» C. Diagonal |

18. |
## A………… is matrix which has only one column |

A. | Column |

B. | Row |

C. | Diagonal |

D. | Square |

Answer» A. Column |

19. |
## A square matrix in which elements in the diagonal are1 and rest is all zero is called |

A. | Diagonal matrix |

B. | Zero matrix |

C. | Identity matrix |

D. | none |

Answer» C. Identity matrix |

20. |
## If all elements in the matrix are zero then it is |

A. | Diagonal matrix |

B. | Square matrix |

C. | Identity matrix |

D. | Zero matrix |

Answer» D. Zero matrix |

21. |
## The sum of two matrices is a matrix obtained by adding ………………... elements of the given matrices |

A. | Corresponding |

B. | Opposite |

C. | Same |

D. | none |

Answer» A. Corresponding |

22. |
## A (B+C) = AB + AC is a |

A. | Associative law |

B. | Cumulative law |

C. | Distributive law |

D. | Corresponding law |

Answer» C. Distributive law |

23. |
## The transpose of a matrix A is denoted by |

A. | At |

B. | A |

C. | A(x) |

D. | None |

Answer» A. At |

24. |
## A rectangular matrix does not possess |

A. | Inverse matrix |

B. | Square matrix |

C. | Zero matrix |

D. | None |

Answer» A. Inverse matrix |

25. |
## The solution of the equation 4 =2/3 x is ………….. |

A. | 6 |

B. | 12 |

C. | 8 |

D. | 16 |

Answer» A. 6 |

26. |
## The equations x2 + 4 =0 is a ………… |

A. | Quadratic equation |

B. | Cubic equation |

C. | Simple equation |

D. | None |

Answer» A. Quadratic equation |

27. |
## Equation ax2 + b = 0 |

A. | Pure quadratic equation |

B. | General quadratic equation |

C. | Not a quadratic equation |

D. | None |

Answer» A. Pure quadratic equation |

28. |
## The root of the eqn 3x2 -1 = 0 are ……… |

A. | Irrational |

B. | Imaginary |

C. | Rational |

D. | integer |

Answer» A. Irrational |

29. |
## x2 - 4 = 0 implies x =……….. |

A. | 2 |

B. | -2 |

C. | ± 2 |

D. | None |

Answer» C. ± 2 |

30. |
## ………….. is one of the solutions to the equation 3x2 - 4x+1 =0 |

A. | x = -1 |

B. | x = 1 |

C. | x = 2 |

D. | x = 0 |

Answer» B. x = 1 |

31. |
## The expression b2 - 4ac is called ………… of the quadratic eqn. |

A. | Discriminant |

B. | Roots |

C. | Characteristics |

D. | solution |

Answer» A. Discriminant |

32. |
## If the discriminant of a quadratic eqn is zero, the roots are |

A. | Real and equal |

B. | Real and unequal |

C. | Complex |

D. | Nothing |

Answer» A. Real and equal |

33. |
## Quadratic eqn ax 2+ bx + c = 0 has equal roots if |

A. | b - 4ac < 0 |

B. | b - 4ac > 0 |

C. | b - 4ac = 0 |

D. | b - 4ac = 1 |

Answer» C. b - 4ac = 0 |

34. |
## Eqn y = 2x+5 has |

A. | No solution |

B. | One solution |

C. | 3 solutions |

D. | Infinite solutions |

Answer» D. Infinite solutions |

35. |
## X = 4 + 8y is |

A. | Quadratic |

B. | Linear |

C. | Exponential |

D. | none |

Answer» B. Linear |

36. |
## ………………. satisfies the eqn x +y +1 = 0 |

A. | (x = 0 , y = 0 ) |

B. | ( x = 1, y = - 2 ) |

C. | ( x= 0 , y = 1) |

D. | (x = -2, y = 2) |

Answer» B. ( x = 1, y = - 2 ) |

37. |
## Simultaneous eqns means a set of eqn in …….. unknowns |

A. | One |

B. | Two |

C. | Three |

D. | Any number |

Answer» D. Any number |

38. |
## …………….. are mathematical statements that contains one or more derivatives |

A. | Sets |

B. | Linear eqn |

C. | Equation |

D. | None |

Answer» C. Equation |

39. |
## It is an eqn is one or more variables where each terms degrees is not more than I is |

A. | Simultaneous eqn |

B. | Linear eqn |

C. | Eqn |

D. | none |

Answer» B. Linear eqn |

40. |
## …………… are a set of eqn containing multiple variables |

A. | Simultaneous eqn |

B. | Linear eqn |

C. | Eqn |

D. | none |

Answer» A. Simultaneous eqn |

41. |
## Elimination by judicious multiplication is the other commonly used method to solve |

A. | Simultaneous eqn |

B. | Linear eqn |

C. | Simultaneous linear eqn |

D. | none |

Answer» C. Simultaneous linear eqn |

42. |
## The term “Quadratic” comes from |

A. | Quadratis |

B. | Quadratice |

C. | Quadratus |

D. | None |

Answer» C. Quadratus |

43. |
## Quadratics eqn is an eqn in which the highest power of the variables is |

A. | 1 |

B. | 2 |

C. | 3 |

D. | None |

Answer» B. 2 |

44. |
## ………… means to rewrite the quadratic eqn into multiplication form |

A. | Graphing |

B. | Completing the square |

C. | Factoring |

D. | None |

Answer» C. Factoring |

45. |
## The formula used for finding the roots of a quadratics eqn is known as |

A. | Completing the square |

B. | Factoring |

C. | Quadratic formula |

D. | none |

Answer» C. Quadratic formula |

46. |
## A quadratic eqn with real (or) complex coefficients has 2 solutions called |

A. | Roots |

B. | Eqn |

C. | Formula |

D. | None |

Answer» A. Roots |

47. |
## Break even point is |

A. | No sales no production |

B. | No profit no loss |

C. | Above targeted profit |

D. | None |

Answer» B. No profit no loss |

48. |
## At market equilibrium |

A. | Demand = Supply |

B. | Profit = Loss |

C. | Sales = forecast |

D. | None |

Answer» A. Demand = Supply |

49. |
## R(x) ==C(x) denotes |

A. | Profit function |

B. | Market equilibrium |

C. | BEP |

D. | None |

Answer» C. BEP |

50. |
## A series obtained by adding a constant number to its preceding terms is |

A. | GP |

B. | AP |

C. | GP or AP |

D. | None |

Answer» B. AP |

51. |
## A sequence is called infinite if it is not a |

A. | Finite sequence |

B. | AP |

C. | Progressions |

D. | None |

Answer» A. Finite sequence |

52. |
## Sequences following specific patterns are called |

A. | Progressions |

B. | finite sequence |

C. | Infinite sequence |

D. | None |

Answer» A. Progressions |

53. |
## The various numbers occurring in a sequence are called |

A. | Progressions |

B. | Elements |

C. | Terms |

D. | None |

Answer» C. Terms |

54. |
## A sequence containing finite number of terms is called |

A. | Finite sequence |

B. | Infinite |

C. | Terms |

D. | none |

Answer» A. Finite sequence |

55. |
## tn in AP is |

A. | a + (n -1 ) 2d |

B. | a +(n -1 ) d |

C. | a + (d -1 ) n |

D. | none |

Answer» B. a +(n -1 ) d |

56. |
## to find sum of A.P. Sn = |

A. | n/2 [2a + (n -1)d] |

B. | n/2 [2a + d] |

C. | n/2 [2a +(n-1)] |

D. | None |

Answer» A. n/2 [2a + (n -1)d] |

57. |
## Find the 7th term of series 1,4,7……………… |

A. | 22 |

B. | 19 |

C. | 16 |

D. | 25 |

Answer» B. 19 |

58. |
## Find the 10th term of the series 4, 2, 0, -2……….. |

A. | -12 |

B. | -10 |

C. | -8 |

D. | -14 |

Answer» D. -14 |

59. |
## If 2, 5, 8……….. is A.P the t 20 is |

A. | 60 |

B. | 59 |

C. | 58 |

D. | None |

Answer» B. 59 |

60. |
## d of the A.P. 4, -8, -20…….. |

A. | -4 |

B. | 12 |

C. | -12 |

D. | -8 |

Answer» C. -12 |

61. |
## d of the A.P. 1,-1,-3,-5,…………….. is |

A. | 1 |

B. | -1 |

C. | -2 |

D. | 2 |

Answer» C. -2 |

62. |
## If the Nth term of an A.P. is 4n-1 then the d is |

A. | 3 |

B. | 4 |

C. | 1 |

D. | 0 |

Answer» B. 4 |

63. |
## Given the term in the sequence 1,3,7,15,31 next is ……………. |

A. | 62 |

B. | 63 |

C. | 46 |

D. | 66 |

Answer» B. 63 |

64. |
## Find x if the number x ,7,28 from a GP |

A. | 4 |

B. | 0 |

C. | 7/4 |

D. | 4/7 |

Answer» C. 7/4 |

65. |
## The sum of an in finite G.P. is , where ‘r’ is |

A. | Numerically less than 1 |

B. | Equal to 1 |

C. | ± 1 |

D. | Any value |

Answer» A. Numerically less than 1 |

66. |
## Sum of n terms of a G.P is given by where r is |

A. | Greater than 1 |

B. | Equal to 1 |

C. | Less than 1 |

D. | Numerically greater than 1 |

Answer» D. Numerically greater than 1 |

67. |
## If a is the first term and r is the common ratio then the nth term of the GP is |

A. | a(1-r) |

B. | a (1 –rn) |

C. | arn-1 |

D. | − 1 − 1 |

Answer» C. arn-1 |

68. |
## Find the common ratio of the following 9,6,4 |

A. | 3 |

B. | 2 |

C. | 2/3 |

D. | none |

Answer» C. 2/3 |

69. |
## If a b c are in G P then b is |

A. | ac |

B. | +2 |

C. | a+ c |

D. | √ |

Answer» D. √ |

70. |
## 9, 6, 4……………….. is a ………. |

A. | A.P |

B. | G.P |

C. | A.P or G.P |

D. | None |

Answer» B. G.P |

71. |
## If 2, x , 8 are the successive terms of a GP.the value of x is |

A. | 5 |

B. | 4 |

C. | -4 |

D. | ± 4 |

Answer» D. ± 4 |

72. |
## Common ratio of the G.P. 1, 1/3,1/9,1/27 …………….is |

A. | 3 |

B. | 1/3 |

C. | 1/6 |

D. | 6 |

Answer» B. 1/3 |

73. |
## The A M of a and b is …….. |

A. | +2 |

B. | ab |

C. | √ |

D. | a + b |

Answer» A. +2 |

74. |
## The sum of the value of 1,2,………………20 is |

A. | 500 |

B. | 210 |

C. | 420 |

D. | 520 |

Answer» B. 210 |

75. |
## The sum n term of an A P with first term a and common difference d is |

A. | Na |

B. | n/2 [2a +(n-1)d] |

C. | A + (n-1)d |

D. | − 1 − 1 |

Answer» B. n/2 [2a +(n-1)d] |

76. |
## The sum of n terms of an A.P. whose first term and last term are knows as … |

A. | n/2 (a +1 ) |

B. | n/2 ( a +nd) |

C. | n/2 ( 2a +1n ) |

D. | None |

Answer» A. n/2 (a +1 ) |

77. |
## The sum at the end of 2 years for 1000 at 10% p.a. compounded yearly |

A. | 100 |

B. | 210 |

C. | 1100 |

D. | 1210 |

Answer» D. 1210 |

78. |
## Simple interest for a sum of Rs 500 for 2 year at the rate of 8% p a is |

A. | 580 |

B. | 420 |

C. | 80 |

D. | 16 |

Answer» C. 80 |

79. |
## Compound interest for Rs 25,000/-at the rate of 12% p a for 5years is |

A. | 17623 |

B. | 44058 |

C. | 19058 |

D. | 15000 |

Answer» C. 19058 |

80. |
## The formula p (1+r/100)n gives ………. |

A. | The sum at the end of n year |

B. | CI at the end of n years |

C. | Present value |

D. | None |

Answer» A. The sum at the end of n year |

81. |
## The sum at the end of 4 years for Rs 100 at 10% p a C I payable quarterly is |

A. | 100(1.1)3 |

B. | 100(1.025)4 |

C. | 100(1.025)16 |

D. | 100(1.1)4 |

Answer» C. 100(1.025)16 |

82. |
## If is the population at the beginning of an years and the increase is r% p a then the population at the end of nth years is |

A. | P ( 1+ r/100)n |

B. | P + ( n +1 ) pr / 100 |

C. | P + (n -1) pr / 100 |

D. | Pnr / 100 |

Answer» A. P ( 1+ r/100)n |

83. |
## The time period after which the interest is added each time to form a new principle is called |

A. | Normal period |

B. | Semi annual period |

C. | Conversion period |

D. | None |

Answer» C. Conversion period |

84. |
## CI is equal to |

A. | A + P |

B. | A – P |

C. | A X P |

D. | None |

Answer» B. A – P |

85. |
## Statistics is applied in |

A. | Economics |

B. | Business management |

C. | Commerce and Industry |

D. | All these |

Answer» D. All these |

86. |
## Statistic deals with |

A. | Qualitative information |

B. | Quantitative information |

C. | Both |

D. | None |

Answer» B. Quantitative information |

87. |
## The primary data are collected by |

A. | Interview |

B. | Observation |

C. | Questionnaire |

D. | All these |

Answer» D. All these |

88. |
## ………………….. is not dimensional diagram |

A. | Cubes |

B. | Rectangles |

C. | Pictograms |

D. | Circles |

Answer» C. Pictograms |

89. |
## Ogives can be used to locate |

A. | Median |

B. | Quartiles |

C. | Deciles |

D. | All |

Answer» D. All |

90. |
## A frequency distribution can be |

A. | Dicrete |

B. | Continuous |

C. | Neither |

D. | Either |

Answer» D. Either |

91. |
## ……………. Is filled by the enumerator |

A. | Questionnaire |

B. | Schedule |

C. | Questionnaire or Schedule |

D. | All |

Answer» B. Schedule |

92. |
## Statistics are |

A. | Aggregate of facts |

B. | Numerically expressed |

C. | Systematically collected |

D. | All these |

Answer» D. All these |

93. |
## Frequency distribution is |

A. | A table |

B. | A variable |

C. | Total Frequency |

D. | Class Intervals |

Answer» A. A table |

94. |
## Length of a class is |

A. | The difference between the UCB and LCB of that class |

B. | The difference between the UCL and LCL of that class |

C. | a) or b) |

D. | Both a) & d) |

Answer» A. The difference between the UCB and LCB of that class |

95. |
## Tabulation is the presentation of data in |

A. | Groups |

B. | Rows |

C. | Columns |

D. | Rows and columns |

Answer» D. Rows and columns |

96. |
## Statistical results are |

A. | Absolutely correct |

B. | Not true |

C. | True on an average |

D. | Universally true |

Answer» C. True on an average |

97. |
## The process of arranging data in groups according to similarities in character is called |

A. | Tabulation |

B. | Classification |

C. | Tabulation or classifaction |

D. | None |

Answer» B. Classification |

98. |
## Tally marks determine |

A. | Class width |

B. | Class boundary |

C. | Class Limit |

D. | Class frequency |

Answer» D. Class frequency |

99. |
## Histogram is useful to determine |

A. | Mean |

B. | Median |

C. | Mode |

D. | All these |

Answer» C. Mode |

100. |
## The graphical representation of a cumulative frequency distribution is called |

A. | Histogram |

B. | Ogive |

C. | Both |

D. | None |

Answer» B. Ogive |

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