Quantitative Aptitude - MCQ Practice Questions

If ₹12,000 becomes ₹14,400 in 2 years at compound interest, what is the rate of interest?

Two trains 150m and 250m long are moving towards each other at 40 km/h and 50 km/h respectively. How long will it take to cross each other?

A can do $\frac{1}{3}$ of work in 5 days. B can do $\frac{2}{3}$ of work in 10 days. In how many days can they complete the entire work together?

A man spends 25% of his income on rent, 30% on food, and saves the rest. If he saves ₹9000 per month, what is his monthly income?

Pipe A fills a tank in 10 hours. Pipe B empties it in 15 hours. If both are opened alternately for 1 hour each, starting with A, how long to fill the tank?

A retailer purchases 100 items at ₹50 each and sells 80 items at ₹75 each and 20 items at ₹40 each. What is the overall profit/loss percentage?

If the ratio of work done by A and B is 3:2, and together they complete work in 10 days, how many days does A take alone?

A sum of ₹5000 is invested at 8% per annum for 2 years. What is the difference between compound interest and simple interest?

A boat's speed in still water is 12 km/h and stream speed is 3 km/h. If it travels 90 km downstream and returns, what is the total time taken?

A number when increased by 12% becomes 224. What is the original number?

If M men can complete a work in D days, and the work is increased by 50%, how many men are needed to complete it in D days?

A sells an item to B at 20% profit. B sells it to C at 25% profit. If C pays ₹7500, what did A pay originally?

Two pipes fill a tank in 12 hours and 15 hours respectively. A drain empties it in 20 hours. If all three are opened, in how many hours is the tank filled?

A man can row 40 km downstream and 24 km upstream in 8 hours. The next day he rows 24 km downstream and 40 km upstream in 9 hours. Find the speed of boat in still water.

A's efficiency is 20% more than B's. If both work together for 5 days and then A leaves, B completes remaining work in 5 more days. In how many days can A complete the work alone?

A train passes two persons in 5 seconds and 8 seconds respectively. If their speeds are 10 m/s and 8 m/s respectively, find the train's length.

A contractor undertakes to build a road in 75 days with 40 workers. After 25 days, only $\frac{1}{4}$ of the road is completed. How many additional workers are needed to complete the road on time?

If 15 workers can dig 10 wells in 8 days, how many workers are needed to dig 4 wells in 6 days?

A and B start a business with ₹10,000 and ₹15,000 respectively. After 8 months, C joins with ₹12,000. At the end of the year, profit is ₹11,400. How much profit does A get?

A shopkeeper marks items 60% above cost. He gives 10% discount on marked price and an additional 5% discount on the discounted price. What is his net profit percentage?