📏 Arithmetic Aptitude Solved MCQs with Answers

Practice 3559 approved 📏 Arithmetic Aptitude questions with verified answers from the 🧠 Aptitude Mastery subject for Pakistan exams.

3559 solved MCQs

In(x + 3) ≥ 0 if and only if?Answer: x ≥ -2 The period of Cos (3x+5) is?Answer: 2π/3 If α, β are roots of the equation 2x^2 - 4x + 5 = 0, then α^2β + αβ^2 = ____?Answer: 5 Two vectors u,v are orthonormal if and only if?Answer: Both u,v are orthogonal and unit vectors A^T= A^-1, where A is a real matrix, then A is?Answer: Orthogonal If f′ (x) > 0 in a certain interval, what does show about f(x)?Answer: Increasing function a, b and c are real numbers then either a < b, a > b or a = b. This property of real numbers is called?Answer: Trichotomy property The probability distribution whose mean and variance are equal is?Answer: Poisson A group in which the commutative law holds is called?Answer: Abelian group If functions f and g have domains Df and Dg respectively, then the domain of f/g is given by?Answer: The intersection of Df and Dg without the zeros of function g The integral f √2x + 1 DX will be?Answer: 1/3(2x + 1)^2/3 + C Does the parabola y = 2x^2 - 13x + 5 have a tangent whose slope is -1. If so, then it will be?Answer: y= -x-13 The total of the ages of Karim, Rahim and, Akbar is 80 years. What was the total of their ages three years ago?Answer: 71 years Which one is always correct?Answer: H.M<G.M<A.M If a function has differential coefficient that vanishes for all values of x in the interval A<=x <=b, the function is?Answer: Constant Y = √x-1 is?Answer: Explicit function If the correlation coefficient is 0, the two regression lines are?Answer: Perpendicular Any polynomial p(x) of degree n ≥ 1 may be expressed as?Answer: p(x) = (x - r)q(x) + k A = {a, b, c} and B = {x, y, z}, then the function f(a) = y, f(c) = x defines a?Answer: Not a function Which of these sets is an ideal in the ring of integers?Answer: The even numbers An experiment consists of throwing a die and the drawing a letter at random from the English alphabet. Then total number of points in sample space will be?Answer: 156 Let the functions f:R→R and be defined as f(x)=x^2. Then f^−1(−9) = will be?Answer: Ø lim x → 0 √x^2+100 - 10/x^2 will be?Answer: 1/20 Solution of the separable differential equation (1+ x)dy - ydx = 0 is _____?Answer: y = c(1 + x) Y = 5x and dx/dt = 2 the day/dt will be _____?Answer: 10 Average rate of change of function f(x)=x ^3 +1 over the interval [2,3] will be?Answer: 19 Integral f (x^3 + x)^5 (3x^2 + 1)dx will be _____?Answer: (x^3 + x)^6/6 + C If is continuous at every point in [a,b], and f is any antiderivative of f on [a,b], then ____?Answer: ∫baf(x)dx=F(b)−F(a) By using finite approximation to estimate the area under the graph of the function using a lower sum with two rectangles of equal width of the function f(x)=x^2 in the interval [0,1] will be?Answer: 0.125 As z1 = 3 - 4i and z2 = -4 + 3i, then the acute angle between the vectors will be?Answer: None of these