List of top Quantitative Aptitude Questions

How many four-digit numbers in base 4, when converted to base 5, will have unit digit zero ?
Find the remainder when (345672) in base 9 is divided by 8.
A boy has some coins with some value on them. He arranges the coins in the form of a star as shown below such that the sums of the numbers in the four circles along any line segment of the star are all equal. What is the sum of the missing numbers?
A boy has some coins with some value on them. He arranges the coins in the form of a star
If \(1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{5}+\frac{1}{6}+\frac{1}{7}+\frac{1}{8}+\frac{1}{9}....\frac{1}{29} =\frac{N}{29!}\) Find the remainder when N is divided by 19.
Two places P and Q are 120 km apart from each other on a highway. A car starts from P and another from Q at the same time. If they move in the same direction, they meet each other in 8 hours. If they move in opposite directions towards each other, they meet in 2 hours 40 minutes. What are the respective speeds of the cars in km/hour?
The greatest possible number for which 38% of that number will be less than 54, is:
In an election between 3 candidates A, B, and C, 10% registered voters did not cast their votes and 5% votes were declared invalid. A obtained 834 votes more than B and 1254 votes more than C. If 178,800 voters were registered for the election, then find the number of votes obtained by the winner.
The arithmetic mean of a few numbers is 40. If each number is increased by 7, and then multiplied by 12, then the new mean will be:
P completes \( \frac{13}{20} \) of a work in 9 days. Then he completes the remaining work with the help of Q in 4 days. The time required for P and Q together to complete the entire work is:
Anupam, a trader, sells an item to Suraj at 20% discount, but he charges 10% on the discounted price for packaging and delivery. Suraj sells it for ₹ 1782 more, thereby earning a profit of 25%. At what price had the trader marked the item?
\( 3.\overline{783} \) $=$ ?
The smallest fraction which should be subtracted from the sum of the following numbers: \[ 4\frac{1}{4}, \, 2\frac{1}{2}, \, \frac{9}{12}, \, 3\frac{1}{3}, \, 2\frac{3}{4} \quad \text{so as to make it a whole number is:} \]
A canteen requires 847 bananas in a week. How many bananas did it require for the months of January, February, and March 2024 together?
What will be the least number which when doubled will be exactly divisible by 10, 18, 21, and 27?
The length of the train, which is travelling with a speed of 45 km/h, and can cross a 100 m long bridge in 30 sec, is:
A, B, and C enter into a business partnership by making investments in the ratio 3:5:7. After a year, C invests ₹ 33760 more while A withdraws ₹ 4560. The ratio of investments then changes to 24:59:167. How much does B invest?
A certain sum of money is invested at an interest rate of 5% P.A. and a second sum of money, which is twice as large as the first, is invested at 5.5% P.A. The total interest on investments together is ₹1000 per year. The first sum of money invested is:
If \( 7^{\frac{x}{3}} = 2401 \), then the value of \( x \) is:
If \( 10^k = \frac{128 \times (16 \times 10^{-4})^3{2^{19} \times 10^{-11}} \), then the value of \( k \) is:}
Two numbers A and B are less than a third number C by 15% and 32%, respectively. By what percent (%) is number B less than the number A?
B can do a work in 48 days. If A starts the work and after 10 days he leaves, then B alone finishes the remaining work in 42 days. In how many days A and B together will finish the work?
After getting two successive discounts of 12.5% and \( x % \), an item with marked price ₹750 is available at ₹525. Find the value of \( x \):
A sells an item at a loss of 10%. If he had sold it for ₹ 120 more, he would have gained 5%. What is the cost price of the item?
A vessel is filled with liquid, 3 parts of which is water and 5 parts syrup. What part of the mixture should be drawn off and replaced with water so that the mixture contains half water and half syrup?
A and B are partners in a business. A invested ₹42,000 for 10 months and B invested ₹35,000 for 8 months. Out of a profit of ₹31,570, B's share is: