📏 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

Mean of 5 numbers is 18. Four numbers are 16, 18, 14, 22. The 5th number is?Answer: 20 The ratio of boys to girls is 9:11. If total students are 80, number of girls is:Answer: 44 3x + 24 = 16, x-y =2, value of x is?Answer: −8/3 The sum of the ages of father and son is 72 years. Six years ago, the father's age was twice the son's age. What was the son's age six years ago?Answer: 20 Years Solve for x: 3x − 7 = 11?Answer: 6 If A:B = 2:3 and B:C = 4:5, then find A:C?Answer: 8:15 The ratio of father’s and son’s ages is 9:2. After 12 years, it becomes 3:1. What is the present age of the son?Answer: 16 Years (x + 1)(x + 2)(x + 3) = 210?Answer: 3 The marked price of a coat is Rs. 2000. The shopkeeper offers his customer two successive discounts 10% and 5%. Find the final selling price of the coat?Answer: Rs. 1710 The critical angle for a medium with refractive index 1.5 is approximately?Answer: 41.8° A set has four elements then sub containing at least 2 elements are?Answer: 11 A dice is rolled the probability of getting a number divisible by 2 or 3 is?Answer: 2/3 Sum of the first 10 natural numbers is?Answer: 55 If A is a set of members of a universal set U, then A′ (A complement) is defined as?Answer: Members of U that are not in A Probability of getting a Head when a coin is tossed once?Answer: 1/2 If det(A) = 0, then the matrix A is?Answer: Singular matrix 4f log(x) + log(2) = 1, then the value of x is?Answer: 5 39 men complete a task in 29 days. How long it will take 29 men to do the task?Answer: 39 Complete the number series: 4, 6, 12, 14, 28, 30, __:Answer: 60 Akram thought of a number, added 7, multiplied by 3, took away 5 and divided by 4 to give an answer of 7. What was the starting number?Answer: 4 Mark the co-prime numbers:Answer: 2, 9 What comes next in this sequence: 7, 14, 10, 12, 14, 9, __?Answer: 15 In double stranded DNA, the percentage of adenine is 30%. The percentage of cytosine is?Answer: 20% If x₂+kx+4=0 has roots differing by 2, then k equals:Answer: ±2√5 A complex number x + iy is imaginary if:Answer: X=0 If x + 1/x = 3 , then x₂ + 1/x₂ is:Answer: 7 For what value of m, the roots of 3x₂ + 2x + m = 0 are equal?Answer: 1/3 Degree of Polynomial 2x₄y₃ + x₂y₂ + 8x is:Answer: 7 Log x₃y₂ - 2 log x = ?Answer: Log(xy₂) If sin θ = 3/5 , find cos θ in the first quadrant.Answer: 4/5