Quantitative Aptitude - MCQ Practice Questions

A shopkeeper marks goods at 40% above cost price and gives 20% discount. What is his profit percentage?

Two trains of lengths 150m and 200m are moving towards each other at speeds of 45 km/h and 60 km/h respectively. How long will they take to cross each other?

A's income is 20% more than B's income. By what percentage is B's income less than A's?

Worker A takes 18 days to complete a job. Worker B takes 12 days. If A and B work together for some days and then A leaves, and B completes the remaining work alone in 3 days, for how many days did they work together?

A pipe fills a tank in 20 minutes. A drain empties it in 30 minutes. If both are opened, in how much time will the tank be filled?

If a number is increased by 15%, it becomes 299. What is the original number?

A contractor agrees to build a bridge in 300 days. He employs 10 workers. After 150 days, he finds that only half the work is complete. How many additional workers does he need to finish on time?

A man buys bananas at ₹30 per dozen and sells them at ₹3 per banana. What is his profit percentage?

X and Y can complete a task in 8 days. Y and Z can complete it in 12 days. X and Z can complete it in 16 days. How many days will X alone take?

A merchant sells two items for ₹500 each. On one he gains 25% and on the other he loses 25%. What is his overall profit or loss percentage?

A and B together can complete a work in 12 days. A alone can complete it in 20 days. In how many days can B alone complete the work?

A pipe can fill a tank in 15 hours. Another pipe can empty it in 20 hours. If both pipes are opened together, in how many hours will the tank be filled?

If a number is increased by 25%, and then decreased by 20%, what is the net change?

Two workers A and B are paid ₹500 and ₹600 per day respectively. If A completes a job in 24 days and B completes it in 18 days, who is more cost-effective?

A boat travels 60 km downstream in 3 hours and 60 km upstream in 4 hours. What is the speed of the boat in still water?

₹10,000 is invested at 10% per annum simple interest. What will be the amount after 3 years?

A train of length 200m crosses a platform of length 400m in 30 seconds. What is the speed of the train?

A shopkeeper buys goods at ₹800 and sells at ₹1000. What is the profit percentage?

X, Y, and Z can complete a job in 6 days, 8 days, and 12 days respectively. If all three work together, in how many days will the job be completed?

A merchant marks goods at 50% above cost price and gives a 20% discount. What is the profit percentage?