List of top Quantitative Aptitude Questions asked in CAT

What is the value of $2^{10}$?
A car travels 240 km in 4 hours. What is its speed in km/h?
If $f(x) = x^2 + 2x + 1$, what is $f(3)$?
The cost price of an article is Rs. 400. If it is sold at a profit of 25%, what is the selling price?
A sum of money doubles in 5 years at simple interest. In how many years will it become 4 times?
The ratio of the ages of A and B is 3:4. Five years hence, the ratio will be 4:5. What is the present age of A?
If the roots of the equation $x^2 - 6x + k = 0$ are real and their product is 8, what is the value of $k$?
What is the value of $\log_2 8 + \log_3 9$?
A and B can complete a task in 12 days, B and C in 15 days, and A and C in 20 days. How many days will A alone take to complete the task?
If $2x + 3y = 15$ and $x - y = 1$, what is the value of $x + y$?
A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less. What is the speed of the train?
The sum of the first $n$ terms of an arithmetic progression is $3n^2 + 2n$. What is the 10th term?
If $x + y = 10$ and $xy = 21$, what is the value of $x^2 + y^2$?
A shopkeeper sells two types of items, A and B, at a profit of 20% and 30%, respectively. If the cost price of A is Rs. 100 and B is Rs. 200, and he sells 3 items of A and 2 items of B, what is the total profit?
Find the number of positive divisors of 720.

Three words “Madhu”, “Sweet”, and “House” blink as follows: 
- Each word flashes at regular interval and stays ON for 1 second. 
- "Madhu" every 3.5 s, "Sweet" every 5.25 s, "House" every 6.75 s.
All three flash together at 8:00 a.m. Find time until next flash where last two words ("Sweet" and "House") flash together.

Find the roots of $x^2 - 8x + 15 = 0$.
The sum of an infinite geometric series is 12, and the first term is 8. Find the common ratio.
An item is sold for Rs. 1200 at a 20 profit. Find the cost price.
A and B can do a job in 6 days. A alone takes 10 days. How long does B take?
A price is increased by 15 to Rs. 230. What was the original price?
Solve for $x$: $3x - 5 = 7 - 2x$.
The area of a circle is 154 cm². Find its radius.
A car travels 240 km in 4 hours. What is its speed?
A die is rolled twice. What is the probability of getting a sum of 9?