Quantitative Aptitude - MCQ Practice Questions
Practice free Quantitative Aptitude multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.
1,105 questions | 100% Free
The average age of 5 friends is 24 years. If one friend leaves the group, the average age becomes 22 years. What is the age of the friend who left?
A shopkeeper bought 10 items at ₹50 each and 15 items at ₹40 each. What is the average cost per item?
The average of 6 numbers is 18. If 3 more numbers with an average of 24 are added, what is the new average?
A train travels 120 km in 2 hours and then 180 km in 3 hours. What is the average speed of the train?
A student scored 75, 82, and 88 in three subjects. What score is needed in the fourth subject to get an average of 85?
The average weight of A, B, and C is 70 kg. If A's weight is 75 kg and B's weight is 68 kg, what is C's weight?
A boat travels 50 km upstream in 5 hours and 80 km downstream in 4 hours. What is the average speed of the boat in still water?
The average of first n natural numbers is 10.5. What is the value of n?
A worker completes of a job in 5 days. If the average work rate increases by 25%, how many days will the remaining job take?
Two pipes A and B fill a tank in 12 hours and 15 hours respectively. If both work together, what is the average time to fill the tank?
The average of 7 consecutive odd numbers is 39. What is the largest number?
A train covers 25% of its journey in 2 hours at 50 km/h. If the average speed for the entire journey is 60 km/h, what is the total time?
A person invests ₹5,000 at 8% SI and ₹7,500 at 12% SI for 2 years. What is the average interest rate on total investment?
The average age of a group increases by 2 years when a person of age 28 is replaced by a person of age 38. What is the size of the group?
Three containers have milk with average concentration 40%, 50%, and 60%. If equal quantities are mixed, what is the average concentration?
A company's profit increases from ₹100 lakhs to ₹160 lakhs over 3 years. What is the average percentage increase per year (approx)?
A batsman's average runs increase from 40 to 45 when he scores 65 in his next innings. How many innings had he played before?
Two vessels contain water-sugar mixture in ratio 3:1 and 5:2. Equal quantities are mixed. What is the average percentage of water in the final mixture?
A cyclist travels 40 km at 20 km/h, then 60 km at 30 km/h, and finally 100 km at 50 km/h. What is his average speed for the entire journey?
The average weight of boys in a class is 60 kg and of girls is 55 kg. If boys and girls are in ratio 3:2, what is the average weight of the entire class?