PPSC Lecturer Math Exam Questions Answers MCQS Past Papers
1.To find asymptote parallel to y axis put coefficient of highest power of.
A. X is equal to zero
B. Y is equal to zero
C. Xy is equal to zero
D. None of these
ANSWER: B
2.To remove xy term by rotation, we find Cot(2a) = —-.
A. (A-C)/2B
B. (A+C)/2BS
C. (A-C)/2A
D. None of these
ANSWER: A
3.In translation of axex direction remains same while the origin is changed.
A. True
B. False
ANSWER: A
4.In rotation of axex, direction is changed while origin remains same.
A. True
B. False
ANSWER: A
5.The singular points have —- main types.
A. Two
B. Three
C. Four
D. Five
ANSWER: B
6.Every node is a cusp.
A. True
B. False
ANSWER: B
7.Every cusp is a singular point.
A. True
B. False
ANSWER: A
8.Two diameters are said to be conjugate when each bisects chords ____ to each other.
A. Differ
B. Parallel
C. Perpendicular
D. None
ANSWER: B
9.In conic the semi-latus rectum is the ____ between the segments of a focal chord.
A. Geometric mean
B. Arithmetic mean
C. Harmonic mean
D. Both A and C
ANSWER: C
10.If f”(x)>0, at some point the curve is.
A. Concave upward
B. Concave downward
C. Convex downward
D. Both A and B
ANSWER: D
11.B2-AC > 0, the locus is.
A. Hyperbola
B. Two increasing line
C. Ellipse
D. Both A and B
ANSWER: D
12.If the point x is distinct from x then it is called.
A. Radius of the nbhd
B. Deleted nbhd
C. Both A and B
D. None
ANSWER: B
13.If {Sn} converges to l, l is called.
A. Limit of sequence
B. Convergent sequence
C. Divergent sequence
D. None
ANSWER: A
14.A convergent sequence is called a null sequence, if it converges to.
A. 1
B. 0
C. -1
D. Infinity
ANSWER: B
15.If a sequence is convergent then it is.
A. Bounded
B. Unbounded
C. Convergent
D. None
ANSWER: A
16.The point where coordinate axis intersects a surface is called an.
A. Intersection
B. Intercept
C. Curve
D. None
ANSWER: B
17.If B2-AC<0 then locus is.
A. Parabola
B. Hyperbola
C. Ellipse
D. Circle
ANSWER: C
18.A car park is 60ft by 140ft.If each of the measurements is uncertain by 3 in, the maximum area is.
A. 241/4 sq.ft
B. 441/8 sq.ft
C. 237/4 sq.ft
D. 513/8 sq.ft
ANSWER: B
19.If a curve is rotated about a straight line, a surface is generated is called.
A. Axis of rotation
B. Surface of revolution
C. Both A and B
D. None
ANSWER: B
20.A bounded monotonic increasing sequence converges to its.
A. Least upper bound
B. Greatest lower bound
C. Both A and B
D. None
ANSWER: A
21.Volume of tetrahedron has its vertices at the points A(1,-1,2), B(2,0,1), C(0,-2,1), D(-2,2,1) are.
A. 2
B. 3*sqrt(2)
C. 4
D. 6
ANSWER: A
22.A function is said to be strictly increasing on a set SCR, if.
A. f(x1) < f(x2)
B. f(x1) > f(x2)
C. f(x1) less than and equal to f(x2)
D. f(x1) greater than and equal to f(x2)
ANSWER: A