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SIXTH SEMESTER B.A. DEGREE EXAMINATION, MARCH 2017
(CUCBCSS—UG)
Economics
ECO 6B 12—MATHEMATICAL ECONOMICS
Time : Three Elours Maximum : 80 Marks
Answers may be written either in English or in Malayalam.
۱ Part A
Answer all questions.
Each question carries % mark.
1. Objective of linear programming for an objective function is to: ‏و‎
‎(a) Maximize or minimize (b) Subset or proper set modeling.
(c) Row or column modeling. (d) Adjacent modeling.
2. Ifthe order of matrix A is m x p. And the order of B is p x n. Then the order of AB is ?
(a) nxp. (b) mxp.
(c) mxn. (d) nxm.

3. When marginal costs are below average total costs ?
(a) Average fixed costs are rising
(b) Average total costs are rising.
(c) Average total costs are falling.
(d) Average total costs are minimized

4. (AB) =?
(8) 14४. : 6) தற,
(௦) AB. (d) BA.

5. Suppose the price of a product increases from Rs. 12 to Rs. 20 and the quantity demanded falls
from 55 a week to 45, What is the Price Elasticity of Demand ?

(a) 0.4. (b) - 0.4.
(€) 2.5. (6) - 2.5.

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