MDE1-2014 Papers for Sau 2015 exam
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Transcript of MDE1-2014 Papers for Sau 2015 exam
SAU Admission Entrance Test for MA Development Economics
Sample questions for Part A
1. The limit of the expression limx4
x2 16
x 8(a) 8(b) 16(c) 2(d) 4
2. Let x A a t
b t
, where a(t) and b(t) are positive-valued
differentiable functions of t, and A, α and β are constants. Then is
a.
b.
c.d. None of the above
3. The eigenvalues of any n-dimensional symmetric matrix are
a. Realb. Complexc. Positived. Repeated
4. Consider the following system of equations
2x 2y 3z 0
4x 8y 12z 4
6x 2y tz 4
The value(s) of t for which the system is consistent are
a. 3b. 9c. Any value of td. None of the above
5. If R S ,S 1 K , and K At B, then dR dt is
a. S 1 K 1Aptp1
b. K 1Atp1
1
c. S1K 1ptp1
d. None of the above
6. The following is the coefficient matrix of a homogenous system of equations
2 11 40 3
The system will have
a. Infinitely many solutionsb. No solutionc. Unique solutiond. Have at least one solution
7. Let Y = f(Y) + I. The expression for
d2y
dI2 equals
a.
f (Y)
1 f (Y)2
b.
f (Y)
1 f (Y) 3
c.
f (Y)
1 f (Y) 2
d. None of the above.
8. The solutions of |x − 2| = 5 are a) 7 b) −3 and 7 c) 3 d) √21
9. x2+x−6 has a solution
a) between −5 and −2 b) between −1 and 0 c) between 5 and 7 d) which is greater than 7
10. The derivative of ex ln (x ) is a) ex
/ x b) 1 c) ex ln (x ) d) ex ln ( x )+ex
/x
2