Quiznetik

Quantitative Techniques | Set 3

1. A forecast that projects company’s sale is the

Correct : C. demand forecast

2. The sales of wool and umbrella are associated with the components of which of the time series

Correct : B. seasonal variation

3. If the slope of the trend line is positive, it shows

Correct : A. rising trend

4. Index numbers are expressed in:

Correct : C. Percentages

5. Index for base period is always taken as:

Correct : A. 100

6. Another name of consumer's price index number is:

Correct : B. Cost of living index

7. Laspeyre's index = 110, Paasche's index = 108, then Fisher's Ideal index is equal to:

Correct : D. 109

8. An orderly set of data arranged in accordance with their time of occurrence is called:

Correct : D. Time series

9. Increase in the number of patients in the hospital due to heat stroke is:

Correct : C. Seasonal variation

10. In time series seasonal variations can occur within a period of:

Correct : D. One year

11. In a straight line equation Y = a + bX; b is the:

Correct : B. Slope

12. In business and economics, index numbers can be classified as

Correct : D. All of the above

13. __________ ignore(s) the relative importance of the commodities being measured.

Correct : A. Simple Aggregative Method

14. The time reversal test is not satisfied by 16

Correct : D. Both of the above

15. The circular test is satisfied by

Correct : D. None of the above

16. The components or a time series are

Correct : D. All of the above

17. The coefficient of correlation

Correct : D. Varies between + 1

18. Index number are expressed in

Correct : C. Percentages

19. Index for base period is always taken as

Correct : A. 100

20. Symbolically time reversal test is given as

Correct : B. Po1 x P10 = 1

21. Consumer price index indicates

Correct : C. Both (a) and (b)

22. Fisher’s ideal index number is the geometric mean of the

Correct : B. Laspeyre’s and Paasche’s indices

23. A time series consists of

Correct : D. All the above

24. An index which is constructed from a group of variables is considered as:

Correct : A. Composite index

25. Purchasing power of money can be accessed through:

Correct : C. Consumer price index

26. If the price of commodity’ X’ is 4 in the year 2003 and 5 in the year 2004. Then, the price index for the year 2004, used 2003 as base year is:

Correct : B. 125

27. Laspeyres index = 110, Paasche's index = 108, then Bowley’s index is equal to:

Correct : D. 109

28. A time series consists of:

Correct : D. All of the above

29. Changes that have taken place as a result of such forces that could not be predicted like floods, earthquakes, famines, etc is known as:

Correct : C. Irregular variations

30. In semi averages method, the given data is divided into:

Correct : A. Two equal parts

31. The additive model of the time series is:

Correct : A. Y = T + S + C + I

32. Two matrices A and B are multiplied to get AB if

Correct : C. No of columns of A is equal to columns of B

33. Transpose of a column matrix is

Correct : D. Row matrix

34. The determinant of identity matrix is :

Correct : A. 1

35. The matrix [6] is

Correct : D. All of the above

36. If matrix A is of order m×n then the matrix of order n×m is called

Correct : A. Transpose of A

37. Which of the following is true?

Correct : B. (c) A.B = A.B’

38. Two matrices A and B are multiplied to get AB if,

Correct : C. number of columns of A is equal to number of rows of B

39. A matrix having ‘m’ rows and ‘n’ columns with m≠n is said to be a

Correct : A. Scalar Matrix

40. 4 6 3 is a

Correct : A. Row Matrix

41. Increase in the number of patients in the hospital due to stroke is

Correct : C. Seasonal variation

42. Damages due to floods, droughts and strikes fires are associated with the components of which of the time series

Correct : D. Irregular variation

43. Transpose of rectangular matrix is a

Correct : A. Rectangular matrix

44. Two matrices A and B are multiplied to get AB if

Correct : C. Number of columns of A is equal to columns of B

45. Transpose of row matrix is a

Correct : C. Column matrix

46. Cramer’s rule fails for

Correct : C. Determinants = 0

47. Cramer’s Rule is not suitable for which type of problems?

Correct : C. Large systems

48. The element residing in the 3rd column and 4th row is represented by:

Correct : B. (b) a43

49. A matrix that has elements in the horizontal line only is known as:

Correct : C. Row Matrix

50. For the equations 2x-y=5;3x+2y=-3; The values of x and y are

Correct : B. 1 and -3

51. Function f(x) is exist when:

Correct : A. LHL = RHL

52. 𝑑𝑥 is:

Correct : C. x + c

53. A function expressed directly in terms of the dependent variable is an _________ function, where one variable is dependent on the other.

Correct : D. explicit

54. In the equation y = f (x), y is the __________variable and x is the ____________variable.

Correct : A. dependent; independent

55. The limit of a constant function lim𝑥→𝑎 𝑓 𝑥 = 𝑐 is

Correct : B. c

56. The derivative of x3 is

Correct : C. 3x2

57. The derivative of (5x - 2)3 is

Correct : A. 15(5x - 2)2

58. The derivative of 2x+3 is

Correct : C. 2

59. 7. 𝑑𝑥 is equal to

Correct : B. x

60. A square matrix in which every non-diagonal is zero and all diagonal elements are equal is called

Correct : A. Scaler matrix

61. Differential calculus helps to find the

Correct : A. Rate of change of a quantity

62. Integral calculus helps to find the

Correct : B. Quantity when the rate of change is known

63. A function expressed directly in terms of the dependent variable is said to be an

Correct : B. One valued function

64. When the dependent variable increases with an increase in the independent variable, the function is called

Correct : C. Monotonically increasing function

65. The limit of the ratio of the increment in the function corresponding to a small increment in the argument as the latter tends to zero is

Correct : D. derivative

66. Integration is also known as

Correct : A. Anti-derivative