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FPSC Mathematics Lecturer Test → Past test papers questions from 11 to 15

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11. What is x and y, if matrix A has x rows and x+3 columns, and matrix B has y rows and 11-y columns and both AB and BA are defined for product?
(A) x = 2 and y = 4
(B) x = 2 and y = 6
(C) x = 2 and y = 7
(D) x = 4 and y = 7

12. If a and b are any two positive numbers then gcd(a,b) = ? If it known that lcm(a,b) = 16 and ab = 64.
(A) 2
(B) 4
(C) 6
(D) 8

13. The Differential Equation

is known as?
(A) Bernoulli’s Equation
(B) Ricatti’s Equation
(C) Linear Equation
(D) Clairaut’s Equation

14. The Differential Equation

is known as?
(A) Bernoulli’s Equation
(B) Ricatti’s Equation
(C) Linear Equation
(D) Clairaut’s Equation

15. A system of m homogeneous Equations in n unknowns has a non-trivial solution if ?
(A) m < n
(B) m > n
(C) m = n
(D) m ≠ n

ANSWERS: FPSC MATHEMATICS PAST TEST PAPERS
11. D
12. B
13. A
14. B
15. A