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

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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

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