List of top Quantitative Aptitude Questions

If \( x \) is a number such that \( x^2 - 5x + 4<0 \) and \( x^2 - 3x + 2<0 \), which of the following can be the value of \( x \)?
A certain cafeteria sells donuts and pizzas. Is the number of people who bought donuts more than the number of people who bought pizzas?
(1) Of the people who bought donuts, 30 percent of them also bought pizzas.
(2) Of the people who bought pizzas, 40 percent of them also bought donuts.
Lines "l" and "k" are perpendicular to each other. And line "l" passes through points \( (4,1) \) and \( (8,-1) \). What is the equation of the line "k" which passes through the point \( (3,1) \)?
In a certain show, a lottery ticket is numbered consecutively from 100 through 999 (both inclusive). What is the probability that a randomly selected ticket will have a number with a ten’s digit as “3”?

In the diagram above, triangle PQR has a right angle at Q. What is the ratio of the area of triangle PQS to the area of triangle QRS? 
(1) Line segment \( QS \) is perpendicular to \( PR \) and has a length of 12. 
(2) PQR has a perimeter of 60.

In the figure above, PRS is a triangle, what is the measure of the angle PSQ? 
(1) \( QS = QR = 1 \) 
(2) \( PR = 2 \)

By what percent was the price of a certain Tab discounted for a sale?
(1) The price of the tab was sold with a discount of 50.
(2) The price of the tab before it was discounted for the sale was 25 percent greater than the discounted price.
If \( p<x<q \) and \( r<y<s \), is \( x>y \)?
(1) \( p<r \)
(2) \( q<r \)
If \( y - x>x + y \), where \( x \) and \( y \) are integers, which of the following must be true?
In a circus company the price of tickets for adult and children were 50 and 30 respectively. The company has sold a total of 1000 tickets. The average (arithmetic mean) price per ticket sold was 42. How many tickets were sold for children?

In the above figure, if \( y+z = 280 \), what is the degree measure of angle \( x \)? 

If \( A^4 + B^4 = 100 \), then the greatest possible value of A is between

What is the area of the circle shown above with center O? 

(1) W is the mid-point of chord XY. 
(2) The ratio of ZW to OW is 3:5. 
 

If Polygon A has fewer than 10 sides and the sum of the interior angles of polygon A is divisible by 16, how many sides does Polygon A have?

The figure above represents a picture set in a square wooden frame that is \( p \) inches wide on all sides. If the combined area of picture and the frame is equal to \( q \) square inches, then in terms of \( p \) and \( q \), what is the perimeter of the picture? 

Water is pumped into the completely empty tank at a constant rate through an inlet pipe. At the same time, there is a leak at the bottom of the tank which leaks water at a constant rate. How long it will take the tank get filled completely? (1) Total capacity of water the tank can hold is 120 gallons. (2) Inlet pipe can completely fill the empty tank in 10 hours if there is no leak in the tank, and also the leak at the bottom of the tank can completely empty the filled tank in 15 hours if there is no water pumped into the tank.
Alan purchased pen and pencil at a certain shop, where each pen costs 3 dollars and each pencil cost 2 dollars. What is the total number of pen and pencils Alan purchased?
(1) Alan bought pen and pencils for the total cost of 10 dollars.
(2) Total cost of the pens which Allan bought is less than 10 dollars.
The interior of a rectangular box is designed by a certain manufacturer to have a volume of \( m \) cubic feet and ratio of length to width to height of 5:3:2. In term of \( m \), which of the following equals the length of the box in feet?
In a certain linguistics school there are totally 250 students. Of those 250 students, 40 percent study French as a foreign language, 30 percent study German as a foreign language and 50 percent study Spanish as a foreign language. If 10 students study all these three foreign languages and 10 students didn’t choose these three foreign languages, then how many students are studying in exactly two of these foreign languages?
A book shop sold a set of Harry Potter books to a book collector for 40 percent more than the store had originally paid for the books. When the collector tried to resell the books to the store, the store bought it back at 50 percent of what the book collector had paid. The shop then sold the book again at a profit of 70 percent on its buy-back price. If the difference between the series of book's original cost to the shop and the book's buy-back price was 100, for approximately how much did the shop sell the books the second time?
The colored roses in the bouquet of flowers are red, yellow, and pink. The ratio of the number of red to the number of yellow to the number of pink in the closet is 7:4:6, respectively. If there are more than 7 yellow colored roses, what is the minimum number of total roses in the bouquet?
Is parallelogram PQRS a rhombus?
(1) \( PQ = QR = RS = SP \)
(2) The line segments SQ and RP are perpendicular bisectors of each other.
There are two vessels. In the first vessel, the ratio of milk to water is 2:3, and in the second vessel the milk and water are in the ratio 3:5. In what ratio the contents in two vessels must be mixed such that the resulting mixture will have milk and water in the ratio 5:8?
A chemical factory produces two kinds of unnatural amino acids: acid A and acid B. Of the acids produced by the factory last year, \( \frac{1}{3} \) were acid A and the rest were acid B. If it takes \( \frac{2}{5} \) as many hours to produce acid B per unit as it does to produce acid A per unit, then the number of hours it took to produce the acid B last year was what fraction of the total number of hours it took to produce all the acids?

If \(5^x-3^y=13438\) and \(5^{x-1}+3^{y+1}=9686,\) then \(x+y\) equals?