Quantitative Aptitude - MCQ Practice Questions
Practice free Quantitative Aptitude multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.
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Two trains running in opposite directions cross each other in 8 seconds. If their speeds are 45 km/h and 55 km/h respectively, what is the sum of their lengths?
A person's salary increases by 15% and then decreases by 10%. What is the net change in his salary?
A boat travels 48 km upstream in 4 hours and 56 km downstream in 4 hours. What is the speed of the current?
A man invests ₹50,000 at 12% per annum SI for 2 years. If he had invested at CI instead, what additional amount would he earn?
Two pipes A and B fill a tank in 20 and 30 minutes respectively. A leak empties it in 60 minutes. How long to fill the tank with all three?
A train 150m long crosses a platform of 250m in 20 seconds. Find its speed in km/h.
A boat covers 24 km upstream in 6 hours and 24 km downstream in 3 hours. Find the speed of the current.
A shopkeeper buys goods at ₹80 and marks it up by 25%. After giving 10% discount, what is his profit percentage?
LCM of two coprime numbers is 180. If one number is 20, find the other.
Worker A completes a job in 15 days. Worker B completes it in 20 days. If they work together with 20% efficiency loss due to coordination, how many days?
Three bells ring at intervals of 8, 12, and 18 minutes. If they ring together at 9:00 AM, when will they ring together again?
A man's salary increases from ₹40,000 to ₹48,000. What is the percentage increase?
HCF of three numbers is 8. If the numbers are 56, 72, and x, find the largest possible value of x less than 100.
A trader sells an item at 15% profit. If he had sold it for ₹100 more, his profit would be 25%. Find cost price.
Two trains of length 100m each run towards each other at 50 km/h and 70 km/h. Time to cross each other completely?
A tank can be filled by pipes A, B, C in 10, 15, 20 hours respectively. Pipe D empties in 30 hours. All open together, how long to fill?
A boat takes 4 hours to travel 60 km downstream and 6 hours to travel 60 km upstream. Speed in still water?
HCF and LCM of two numbers are 12 and 288 respectively. If one number is 48, find the other.
A principal of ₹10,000 becomes ₹12,100 in 2 years at CI. Find the rate of interest per annum.
A man walks 5 km/h and covers a distance in 6 hours. If he walks at 6 km/h, how much time saved?