📏 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

An irrational number that contains radical sign is called _____?Answer: Surd A processing unit completes 18, 22, 20 and 16 cases in its first four hours. How many cases must it complete in the fifth hour for the five-hour average to be 20?Answer: 24 An allocation for stationery and printing is divided in the ratio 3:5. If the printing share exceeds the stationery share by Rs 48,000, what is the total allocation?Answer: Rs 192,000 Six clerks can process 720 applications in eight hours at a constant individual rate. At the same rate, how many applications can five clerks process in six hours?Answer: 450 An allowance is increased by 20% and then reduced by 10% of the increased amount. What is the overall change from the original allowance?Answer: 8% increase For which value of x does 3(x - 4) + 2 = 2x + 9?Answer: 19 The mean of six observations is 42. Five observations are 35, 39, 41, 46 and 50. What is the sixth observation?Answer: 41 A vehicle covers 162 kilometres in 2 hours 15 minutes at a constant speed. What is its speed in kilometres per hour?Answer: 72 After a discount of 15%, an item costs Rs 3,400. What was its marked price?Answer: Rs 4,000 What is the lowest form of the ratio 24:36Answer: 2:3 If the sum of four consecutive numbers is 54, what is the smallest number?Answer: 12 A number is doubled and then decreased by 6. The result is 24. What is the original number?Answer: 15 The ages of two brothers are in the ratio 3:1. If the sum of their ages is 32, what is the age of the younger brother?Answer: 8 If the cost price of 15 items is equal to the selling price of 10 items, what is the profit or loss percentage?Answer: 50% profit In a random sample of 80 records, 12 are incomplete. Using the sample proportion, how many incomplete records would be expected among 600 similar records?Answer: 90 If the cost price of an item is Rs.1200 and sold at loss of 10%, what is the selling price?Answer: 1080 If a fruit seller buys bananas at Rs.100 per dozen and sells at Rs.140 per dozen, he earns the profit at:Answer: 40% The ratio of male and female students in a class is 27:23. If the difference between the number of male and female students is 200, then the number of female students isAnswer: 1150 1200 boys and 800 girls appeared in an examination. If 60% of the boys and 40% of the girls passed the examination, what is the percentage of candidates who failed in the examination?Answer: 48% On a map, 1 inch represents 20 miles. The distance between two towns is 6 1/5 inches. How many miles are actually between the two townsAnswer: 124 miles Sarah is twice as old as her youngest brother. If the difference between their ages is 15 years, how old is her youngest brother?Answer: 15 A student was solving a question of Mathematics. While he was doing calculations, he multiplied a number by 3/2 instead of 2/3. The percentage error in the calculation is:Answer: None of these If x + 1/x = 5, what is the value of x^2 + 1/x^2?Answer: 23 Two discounts of 15% and 30% are equal to a single discount of:Answer: 40.5% A class has four sections with 50, 40, 30 and 20 students; their failure percentages are 20%, 15%, 30% and 50% respectively. The failure percentage of the entire class is:Answer: 25% In the Mathematics department of a certain university, the student-teacher ratio was 20:1. It was decided to increase the number of students and teachers by 50% and 10% respectively. The new student to teacher ratio is:Answer: 300:11 The wheel of a car is of diameter 70 cm. The number of revolutions per minute the wheel must make so as to keep a speed of 66 km/hour will be:Answer: 500 The pair of numbers that does not belong to the group for lack of common property:Answer: 29, 82 Choose which pair of numbers come next in the sequence 16, 26, 56, 36, 46, 68, 56, __, __.Answer: 66, 80 If the arithmetic mean of 7, 5, 13, x and 9 is 10, the value of x is:Answer: 16