List of top Quantitative Aptitude Questions

How much water must be added to 60 litres of milk, costing \rupee20 per litre, to get a mixture worth \rupee10\( \frac{2}{3} \) per litre?
The difference between the value of a number increased by 25% and the value of the original number decreased by 30% is 22. What is the original number?
In an examination, 35% of total students failed only in Hindi, 45% failed only in English and 20% failed in both, then the percentage of students who passed in both the subjects is:
The fraction equivalent to \( \frac{2}{7}% \) is
The ratio of ages of 2 boys is 3:7. After 2 years, the ratio of their ages will become 5:9. The ratio of their ages after 10 years will be
X got 98 marks in his exam which is 56 of the total marks. What is the maximum marks of the exam?
Find a single equivalent increase if the number is successively increased by 20, 25 and 30?
If selling price of 80 articles is equal to the cost price of 100 articles, then find the gain percentage.
What sum of money will amount to Rs. 520 in 5 years and to Rs 568 in 7 years on simple interest?
The area of a circle is numerically equal to its circumference. Find the diameter of the circle.
Find the perimeter of a rhombus whose one diagonal is 16 cm long and area is 240 cm\(^2\).
The point \((-2, 3)\) lies in which quadrant?
If the median of \( \frac{x}{5}, x, \frac{x}{4}, \frac{x}{2} \) and \( \frac{x}{3} \) (where \(x > 0\)) is 8, then the value of \(x\) will be
What is the probability that any non-leap year will have 53 Sundays?
A bag contains 5 black, 3 white and 2 red balls. Three balls are drawn in succession. What is the probability that the first ball is red, the second ball is black and the third ball is white?
The average of 12 numbers is 15 and the average of the first two numbers is 1(D) What is the average of the remaining numbers?
A railway half-ticket costs half the full ticket. However the reservation charge for all the tickets is constant. One full reserved ticket for a journey is Rupees 525. If the cost of one full and one half reserved ticket for the same journey is Rupees 850, then what is the reservation charge per ticket?
Find the angle of elevation of the Sun, when the length of the shadow of a tree is \( \frac{1}{\sqrt{3}} \) times the height of the tree.
Find the angle of elevation of the Sun, when the length of the shadow of a tree is \( \sqrt{3} \) times the height of the tree.
A and B can do a work in 9 days and 12 days respectively. If they work on alternate days starting with A, then in how many days will the work be completed?
Which of the following speeds is the least?
What is the smallest square number which is divisible by 4, 6 and 32?

From the figure, what is the value of x?

How many terms are there in the A. P. 3, 7, 11, ......... 407 ?

A square of side length 4 cm is given. The boundary of the shaded region is defined by one semi-circle on the top and two circular arcs at the bottom, each of radius 2 cm, as shown. The area of the shaded region is cm$^2$.