List of top Quantitative Aptitude Questions

I live X floors above the ground floor of a high-rise building. It takes me 30 s per floor to walk down the steps and 2 s per floor to ride the lift. What is X, if the time taken to walk down the steps to the ground floor is the same as to wait for the lift for 7 min and then ride down?
A group of men decided to do a job in 8 days. But since 10 men dropped out every day, the job got completed at the end of the 12th day. How many men were there at the beginning?
Three consecutive positive even numbers are such that thrice the first number exceeds double the third by 2, then the third number is:
In a race of 200 m run, A beats S by 20 m and N by 40 m. If S and N are running a race of 100 m with exactly same speed as before, then by how many metres will S beat N?
$\frac{2}{5}$ of the voters promise to vote for P and the rest promised to vote for Q. Of these, on the last day 15% of the voters went back on their promise to vote for P and 25% of voters went back on their promise to vote for Q, and P lost by 2 votes. Then the total number of voters is:
A man invests Rs.\ 3,000 at the rate of 5% per annum. How much more should he invest at the rate of 8%, so that he can earn a total of 6% per annum?
The value of $\frac{55^3 + 45^3}{55^2 - 55 \times 45 + 45^2}$ is:
For the product $n(n+1)(2n+1)$, $n \in \mathbb{N}$, which one of the following is not necessarily true?
The remainder obtained when a prime number greater than 6 is divided by 6 is:
Boxes numbered 1, 2, 3, 4, and 5 are kept in a row, and each is to be filled with either a red or a blue ball, such that no two adjacent boxes can be filled with blue balls. Then how many different arrangements are possible so that balls of a given colour are exactly identical in all respects?
Which one of the following cannot be the ratio of angles in a right-angled triangle?
A person has a certain amount with him and goes to market. He can buy 50 oranges or 40 mangoes. He retains 10% of the amount for taxi fares and buys 20 mangoes and of the balance he purchases oranges. Number of oranges he can purchase is:
72 hens cost Rs.\ ____ 96.7____. Then what does each hen cost, where two digits in place of ‘____’ are not visible or are written in illegible hand?
Ram purchased a flat at Rs. $1$ lakh and Prem purchased a plot of land worth Rs. $1.1$ lakh. The respective annual rates at which the prices of the flat and the plot increased were $10%$ and $5%$. After two years they exchanged their belongings and one paid the other the difference. Then:
$5^6 - 1$ is divisible by:

@ (A,B) = average of A and B
*(A,B) = product of A and B
/(A,B) = A divided by B

Which expression gives the sum of A and B?

@ (A,B) = average of A and B
*(A,B) = product of A and B
/(A,B) = A divided by 

Which expression gives the sum of A, B, and C?

@ (A,B) = average of A and B
*(A,B) = product of A and B
/(A,B) = A divided by B

If A = 2 and B = 4, what is the value of \(@(/(*(A, B), B), A)\)?

Trailing zeroes in 100! (product of 1 to 100)?
Minimum value of \( K \) for which \( x + y + z = K \), \( x<y<z \) does NOT uniquely determine the triplet?
Ship is 18 miles from shore when a seaplane, 10x faster, is sent. Where does it catch up?
If a spherical ball is placed on a hollow cone with same diameter, what portion will be outside?
P and Q start from opposite ends, with Q starting an hour later and at twice the speed. When P has covered 1/6th the distance, Q has also covered the same. Where do they meet?
A girl counts fingers: 1 = thumb, 2 = index, ..., 5 = little finger, then reverses. Count reaches 1994. Which finger does she end on?
The smallest number which when divided by 4, 6, or 7 leaves a remainder of 2 is