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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Find HCF of 144, 180, and 192.
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?
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 merchant offers successive discounts of 20% and 15%. Find equivalent single discount.
Two pipes can fill a tank in 10 hours and 15 hours respectively. A drain empties it in 20 hours. If all three are opened, how long to fill the tank?
A sum of ₹5000 becomes ₹6050 in 2 years at compound interest. What is the rate of interest?
The speed of a boat in still water is 50 km/hr. It covers a distance of 500 km upstream in 20 hours. What is the speed (in km/hr) of the stream?
Two trains of length 150m and 100m are moving towards each other at 60 km/h and 40 km/h respectively. How long do they take to completely cross each other?
The LCM and HCF of three numbers are 360 and 15 respectively. If the two numbers are 45 and 60, what is the third number?
A man sells an article at 20% profit. If he had sold it at ₹60 more, the profit would be 30%. Find the cost price.
A principal of ₹8000 becomes ₹9261 in 3 years at compound interest. Find the rate p.a.
Pipe A fills a tank in 20 hours, Pipe B in 30 hours. If A is open for 10 hours and then B is also opened, how much time for B alone to fill the remaining?