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THIRD SEMESTER B.A. DEGREE EXAMINATION, NOVEMBER 2015
(CUCBCSS—UG)

Time

Core Course—Economics

ECO 3B 03—QUANTITATIVE METHODS FOR ECONOMIC ANALYSIS—I

: Three Hours Maximum : 80 Marks
Section A
Answer all questions.
% marks each.
If log, x = 5, then x =
(8) 36. (b) 32.
(c) 8. (d) 25.
The number of elements of a 3 x 3 matrix :
(a) 3. (b)
(७) 9. (6)
The value of determinant is :
(a) Real number. (b) A matrix.
(c) Asymmetric matrix. (d) Zero matrix.
The equation of a straight line which cuts both axes at a distance of 2 units from the origin 15:
(a) x+y=2. (b) x-y=2.
(c) -x+y=2. (d) -x-y=2.
Which of the following is not one to one function in R :
(a) 1௨. (b) 2x.
(€) 2x +3. (d) x.
If two rows of a determinant are identical, then its value :
(a) 1. (b) 0.
(८) -1. (d) None of these.
Gini coefficient is associated with :
(a) Income. (b) Price.
(€) Wage. (d) Labour.

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