MCQ Guru LogoMCQ Guru

Quantitative Aptitude MCQs

Aptitude MCQs on percentages, profit & loss, ratios, time & work, and speed & distance.

23 MCQsAptitudeAll Levels
Key Concept Overview & Exam Context

Review core principles of Quantitative Aptitude before answering questions. These questions simulate placement technical assessments (TCS, Infosys, Amazon), university exams (CS/IT), and technical certifications.

Target Readiness
Placements & Job Interviews
Question Format
Multiple-Choice with Explanations
Verified Solutions
Step-by-step Output Traces

Quantitative Aptitude MCQ Questions

Page 1 of 2 (23 total)
Q1

A sum of money doubles itself in 8 years at simple interest. In how many years will it triple?

medium
Correct Answer: 16 years
Explanation:
If the sum doubles in 8 years, the interest earned equals the original principal in that time, meaning the rate generates one full principal amount every 8 years, so tripling requires two such intervals, or 16 years.
Q2

What is the compound interest on 10,000 for 2 years at 10% per annum, compounded annually?

medium
Q3

If the ratio of two numbers is 3:5 and their sum is 64, what is the larger number?

easy
Q4

A train 150 meters long crosses a pole in 15 seconds. What is the speed of the train in km/h?

medium
Q5

What is the average of the first 10 natural numbers?

easy
Q6

A shopkeeper marks an item at 25% above cost price and gives a discount of 10% on the marked price. What is his overall profit percentage?

hard
Q7

What is the least common multiple (LCM) of 12 and 18?

easy
Q8

If 5 workers can complete a task in 12 days, how many days will 10 workers take to complete the same task, assuming equal work rate?

easy
Q9

What is the probability of getting at least one head when a fair coin is tossed twice?

medium
Q10

A car travels 60 km at 30 km/h and then another 60 km at 60 km/h. What is its average speed for the entire journey?

hard
Q11

In how many ways can the letters of the word 'BOOK' be arranged?

hard
Q12

What is the value of the highest common factor (HCF) of 24 and 36?

easy
Q13

A man's age is 4 times his son's age. After 5 years, his age will be 3 times his son's age. What is the son's current age?

hard
Q14

If a boat travels 20 km downstream in 2 hours and the same distance upstream in 4 hours, what is the speed of the boat in still water?

hard
Q15

What percentage of 250 is 75?

easy
Q16

A mixture contains milk and water in the ratio 4:1. If 5 liters of water is added, the ratio becomes 2:1. What was the original quantity of milk?

hard
Q17

What is the next number in the sequence: 2, 6, 12, 20, 30, ___?

medium
Q18

If the simple interest on a sum for 3 years at 8% per annum is 1,200, what is the principal amount?

medium
Q19

Two numbers are in the ratio 2:3. If their LCM is 48, what is the smaller number?

hard
Q20

A can do a piece of work in 20 days and B can do it in 30 days. They work together for 4 days and then A leaves. How many more days will B need to finish the remaining work?

hard
Showing 1 to 20 of 23 questions