SPSC lecturer mathematics past papers mcqs for jobs test preparation in Sindh Public Service Commission of Pakistan.
SPSC Lecturer Mathematics Past Papers MCQs
When she was in the university, she _______ wake up early in the morning.
- Should
- Would have
- Would
- Will
- Can
Antonym of ERUDITE
- Short
- Ignorant
- Professional
- None of these
The antonym of ‘Frugal’ is ?
- Rich
- Miserable
- Happy
- Extravagant
Solution of inequality x-3/x+7 < 0 is?
- [-7,3]
- (-7) < (3)
- (10-7)
- (-7,3)
3 < x < 7=>?
- |x-2|<5
- |x-5|-2
- |x|<7
- |x|<3
The c of Cauchy mean value theorem for the functions f(x)=x², g(x) = x² on [12] is?
- 14/9
- 1
- 0
- -1
If lim sin2x + asinx/x^3 exists, then the value of ‘a’ is?
- 2
- -2
- does not exist
- -1
If the radius of a circle increases from 10 cm to 10.1 cm, then the percentage change in its area is?
- 1%
- 2%
- 3%
- 4%
The series x- x^2/2 + x^3/3 – x^4/4 + …. is convergent for?
- |x1| < 1 only
- |x| ≤ 1
- -1 < x ≤ 1
- All real values of x
What is the value of the limit (x, y) –> (2, 1) of the expression: (x^3 + 2x^2y – xy – 2y^2) / (x + 2y)?
- 3
- 2
- 1
- 0
Degree of the function f(x,y)= √x+√y/x + y is?
- 1/2
- -1/2
- 1
- -1
If p: x + y = 3, then ¬p is?
- x + y ≠ 3
- x + y > 3
- x + y < 3
- x + y = 0
The synonym of METICULOUS is?
- Ridiculous
- Conscientious
- Mindless
- Strong
What is the opposite of “fragile”?
- Breakable
- Robust
- Strong
- Weak
What is a synonym of “elated”?
- Miserable
- Thrilled
- Depressed
- Unhappy
What is the opposite of “candid”?
- Forthright
- Frank
- Blunt
- Secretive
What is a synonym of “perplexed”?
- Lucid
- Clear
- Puzzle
- Unambiguous
What is a synonym of “brave”?
- Fearful
- Frightened
- Coward
- Fearless
p ∨ (p ∧ q) = ?
- p
- q
- p ∧ q
- p ∨ q
7 ∈ Sr (5) –>?
- d(5,7) < r
- d(5,7) ≠ r
- d(5,7) > r
- None
An open ball in a real line R is?
- An open-closed interval
- A closed-open interval
- A closed interval
- An open interval
What is Ext(A) equal to?
- Int(A°)
- X
- Int(A)
- None
The set of limit points of ] 0, 1 [ in real line R is?
- [ 0,1 ]
- ] 0,1 [
- [0,1 [
- ] 0,1]
A subset F of a metric space X is closed if and only if?
- F = F°
- F ∪ F = X
- F ∩ F´ = ∅
- F = F´
The solution of differential equation. day/dx = 1/√1+x^2 is y =?
- sinh^-1 x+c
- sech^-1x+c
- tanh^-1x+c
- cotx+c
If f(x,y) is a homogeneous function of degree zero in x and y, then f(x,y) is a function of ___ alone.
- y^2/x
- y/x^2
- y/x
- xy
In the first-order linear differential equation dy/dx + P(x)y = Q(x), the integrating factor is?
- exp (∫P(x)dx)
- exp (∫P(y)dy)
- ∫P(x)dx
- ∫P(y)dy
The equation of the form y’+P(x)y+Q(x)y² – R(x) is called the ____ equation.
- Bernoulli
- Ricatti
- Clairaut
- None
The differential form xdy + ydx/xy is equivalent to?
- d(y²/x)
- d(tan⁻¹(y/x))
- d(ln(xy))
- d(x^m/y^n)
The differential equation of the form y=x dy/dx +f (dy/dx) is known as ___ equation.
- Bernoulli
- Ricatti
- Clairaut
- None
The general solution of the differential equation d^2y/dx^2 – 4 dy/dx + 4y = 0 is?
- (c1 + c2x)e^2x
- c1e^2x + c2e^-2x
- c1e^3x + c2e^-3x
- c1e^4x + c2e^-4x
The solution of the differential equation ydx-2xdy=0 represents?
- A family of straight lines
- A family of parabolas
- A family of hyperbolas
- A family of circles
The order of differential equation x²dy + y²dx = 0 is?
- 3
- 2
- 1
- None
Change the Voice “Lion does not eat grass, however hungry he may be”?
- Grass is not eaten by a lion, however hungry he may be
- Grass was being not eaten by a lion, however hungry he may be
- Grass is eaten not by a lion, however hungry he may be
- Grass is not being eaten by a lion, however hungry he may be
If one of the roots of the equation x^3−6x^2+11x−6=0 is 2, then the other two roots are?
- 1 and 3
- 0 and 4
- -1 and 5
- -2 and 6
In the three dimensions the equation x^2 – y^2 = a^2 represents?
- A pair of straight line
- A hyperbola
- A cylinder
- A cone
{1, i, -i, -1} is _____?
- Semi group
- Subgroup
- Cyclic group
- Abelian group
A homogeneous differential equation of the form M(x, y) dx + N(x, y) dy = 0 can be reduced to a differential equation with separated variables by using the substitution?
- y = vx, dy = vdx + xdv
- x + y = v, dy = dx + dy
- v = x – y, dy = dx – dy
- x + y = y, dy = dx + xdy
The mode of the numbers 7, 7, 7, 9, 10, 11, 11, 11, 12 is?
- 11
- 12
- 7
- 7 and 11
What is the area of the region bounded by the coordinate axes and the line tangent to the graph of y= 1/8x^2 +1/2x + 1 at the point (0,1)?
- 1/2
- 1
- 2
- 4
I hope everyone _____ learned something from this.
- Had
- Have
- Has
- Has to
Select the pair of words which are related in the same manner as the given words are related to each other: BIGOTRY : HATRED::?
- Sweetness : bitterness
- Sugar : Wheat
- Fanaticism : Intolerance
- Good : bed
If a line makes angles α, β, γ with coordinate axes, Find the value of sin^2 α + sin^2 β + sin^2 γ?
- 4
- 2
- 3
- 1
The Fourier series expansion of an even period function contains?
- Cosine terms
- Sine terms
- Odd Hormonics
- Even Hormonics
Which of the following is the greatest 3-digit prime?
- 96
- 97
- 98
- 99
(1 + i)^10 = ___?
- 1
- 32i
- 32
- i
Consider the point A(-1,2), B(6,2) and C(1,-20) in the plane. For how many different points D in the plane are A, B, C and D the vertices of Parallelogram?
- One
- Two
- Three
- Four
The package arrived _____ the expected delivery date.
- On
- In
- At
- Before
What type of word is “because” in the sentence: “She went to the store because she needed groceries”?
- Verb
- Adjective
- Conjunction
- Adverb
What will be the condition for L-Hospital’s Rule to work?
- The function must possess at least three non-zero derivatives
- The function must be determinate
- The function must be indeterminate
- The function must be inconsistent
Which is the synonym of “Admonish”?
- Defeat
- Defend
- Destroy
- Counsel
Change the capital letters word without changing the meaning: He enjoys VICARIOUS authority?
- Tenuous
- Limited
- Delegated
- Wide
At the time of its establishment, Pakistan became the ____ of Muslim States.
- Great
- Greater
- Greatest
- Greatly
y= Asinx + Bcos x is the solution of the differential equation?
- y” – y = 0
- y” + y = 0
- y” – 4y = 0
- y” + 4y = 0
If S={1/n : ne ∈ N}, then inf S =?
- 0
- 1
- 2
- None
Which one of the following statement/s is true?
- ∑1/n^p= converges if p ≤ 1
- ∑1/n^p= diverges if p > 1
- ∑1/n^p= converges if p > 1
- ∑1/n^p= converges if 0 < p < 1
The identity element of a set X with respect to intersection in P(X) is?
- X
- does not exist
- 0
- None
In the group (G, *), A a,b ∈ G?
- a + b ∈ G
- ab ∈ G
- a * b ∈ G
- a – b ∈ G
The set of integers is an abelian group under?
- Addition
- Multiplication
- Division
- None
The set of all n, nth roots of unity forms a group under the ___ of complex numbers.
- Addition
- Multiplication
- Division
- None
Let (G,+) be a group. A nonempty subset H of G is a subgroup of G if and only if for all a, b ∈ H, the element?
- a + b ∈ G
- a – b ∈ H
- a + (-b) ∈ H
- ab ∈ G
Every cyclic group is?
- Non abelian
- Abelian
- Non commutative
- None
Every subgroup of a cyclic group is?
- Non abelian
- Non cyclic
- Cyclic
- None
Let H be a subgroup of a group G, then the number of left cosets is _____ the number of right cosets of H in G.
- Less than
- Equal to
- Greater than
- None
In the group G = (-1,1,-i,i), the order of -i is?
- -1
- 1
- 2
- 4
If X has n elements, then ____ permutations can be taken on X.
- n
- n!
- (n – 1)!
- (n + 1)!
The order of a cyclic permutation of length n is?
- n
- n!
- (n – 1)!
- (n + 1)!
A cycle of length _____ is called the transposition.
- Two
- Three
- Four
- None
Every group of prime order is?
- Cyclic group
- Non-abelian group
- Not cyclic
- Abelian but not cyclic group
A subset F of a topological space X is closed if and only if F = ?
- Int(F)
- Cl(F)
- Bd(F)
- X
Ext(A) =?
- X
- Int(A)
- Int(A^c)
- None
Power set of a nonempty set X is?
- A topology on X
- An empty set
- Not topology on X
- An infinite set
A sequence (Xn) in a metric space X is said to be strictly increasing if for all n?
- Xn ≤ X(n+1)
- Xn ≥ X(n+1)
- Xn < X(n+1)
- Xn > X(n+1)
A convergent sequence in a metric space is?
- Bounded
- Not constant
- Unbounded
- None of these
The value of the solid of revolution when rotating around the x-axis is given by?
- π ∫[a, b] (f(x))^2 dx
- 2π ∫[a, b] (f(x))^2 dx
- π ∫[a, b] (f(x)) dx
- 2π ∫[a, b] (f(x)) dx
The series is convergent if?
- P
- p
- p>1
- 0<p<1
Which one of the following is a unary operation?
- Addition
- Multiplication
- Square root
- None
Z is a group under?
- Subtraction
- Addition
- Multiplication
- Division
In the group (G, *), where a, b ∈ G, which of the following is always true?
- a + b ∈ G
- ab ∈ G
- a * b ∈ G
- a – b ∈ G
The action of wearing of sock and shoes?
- Does not commute
- Commute
- Does not exist
- Associative
ax(bxc) is a vector lying in the plane containing vectors?
- a and b
- a and c
- b and c
- a and axb
When is z = a + 2by + 2bxy true?
- When x = 0
- When y = 0
- When b = 0
- When a = 0
When she was in the university, she ___ wake up early in the morning.
- Should
- Would have
- Would
- Will
- Can
Antonym of ERUDITE
- Short
- Ignorant
- Professional
- None of these
Change the Voice “Lion does not eat grass, however hungry he may be”?
- Grass is not eaten by a lion, however hungry he may be
- Grass was being not eaten by a lion, however hungry he may be
- Grass is eaten not by a lion, however hungry he may be
- Grass is not being eaten by a lion, however hungry he may be
If one of the roots of the equation x^3−6x^2+11x−6=0 is 2, then the other two roots are?
- 1 and 3
- 0 and 4
- -1 and 5
- -2 and 6
In the three dimensions the equation x^2 – y^2 = a^2 represents?
- A pair of straight line
- A hyperbola
- A cylinder
- A cone
{1, i, -i, -1} is ____?
- Semi group
- Subgroup
- Cyclic group
- Abelian group
A homogeneous differential equation of the form M(x, y) dx + N(x, y) dy = 0 can be reduced to a differential equation with separated variables by using the substitution?
- y = vx, dy = vdx + xdv
- x + y = v, dy = dx + dy
- v = x – y, dy = dx – dy
- x + y = y, dy = dx + xdy
The mode of the numbers 7, 7, 7, 9, 10, 11, 11, 11, 12 is?
- 11
- 12
- 7
- 7 and 11
What is the area of the region bounded by the coordinate axes and the line tangent to the graph of y= 1/8x^2 +1/2x + 1 at the point (0,1)?
- 1/2
- 1
- 2
- 4
I hope everyone _____ learned something from this.
- Had
- Have
- Has
- Has to
Select the pair of words which are related in the same manner as the given words are related to each other: BIGOTRY : HATRED::?
- Sweetness : bitterness
- Sugar : Wheat
- Fanaticism : Intolerance
- Good : bed
If a line makes angles α, β, γ with coordinate axes, Find the value of sin^2 α + sin^2 β + sin^2 γ?
- 4
- 2
- 3
- 1
The Fourier series expansion of an even period function contains?
- Cosine terms
- Sine terms
- Odd Hormonics
- Even Hormonics
Which of the following is the greatest 3-digit prime?
- 96
- 97
- 98
- 99
(1 + i)^10 = ____?
- 1
- 32i
- 32
- i
Consider the point A(-1,2), B(6,2) and C(1,-20) in the plane. For how many different points D in the plane are A, B, C and D the vertices of Parallelogram?
- One
- Two
- Three
- Four
The package arrived ____ the expected delivery date.
- On
- In
- At
- Before
What type of word is “because” in the sentence: “She went to the store because she needed groceries”?
- Verb
- Adjective
- Conjunction
- Adverb
What will be the condition for L-Hospital’s Rule to work?
- The function must possess at least three non-zero derivatives
- The function must be determinate
- The function must be indeterminate
- The function must be inconsistent
Which is the synonym of “Admonish”?
- Defeat
- Defend
- Destroy
- Counsel
Change the capital letters word without changing the meaning: He enjoys VICARIOUS authority?
- Tenuous
- Limited
- Delegated
- Wide
At the time of its establishment, Pakistan became the_____of Muslim States.
- Great
- Greater
- Greatest
- Greatly
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