List of top Quantitative Aptitude Questions

The average of 25 results is 18. The average of the first twelve of them is 14 and that of the last twelve is 17. What is the thirteenth result?

The pie chart provided below gives the distribution of land in a village under various food crops. Which combination of three crops contribute to 50% of the total area under the food crops ? 

The bar graph given below shows the percentage distribution of total expenditure of a company under various expense heads during 2003.

What is the ratio of the total expenditure on infrastructure and transport to the total expenditure on taxes and interest on loans?

The sum of the squares of three consecutive odd numbers is 2531. The numbers are :

A sum of money amounts to Rs. 6690 after 3 years and Rs.10,035 after 6 years on compound interest. The sum is :

In the series 3, 9, 15, 21, _____, what is the 20th term?

A group of 240 persons consisting of students and teachers is travelling in a train. For every 15 students, there is one teacher. Then, the number of teachers is 

A father is 3 times as old as his son. Five years back he was 7 times as old as his son. The age of the son is 

A is three years older than B who is twice as old as C. If the sum of the ages of A, B and C is 28 years, then how old is B?
A number when multiplied by 18, increased by 357. The number is:
In what ratio should two varieties of sugar costing ₹ 52/kg and ₹ 42/kg, respectively, be mixed to get a variety of sugar costing ₹ 45/kg?
A solid metallic cube having surface area 864 cm\(^2\) is melted to form 64 small solid cubes of the same size. The sum of the surface areas of all the small cubes so formed (in cm\(^2\)) is:
The simple interest on a certain sum at the rate of 7% for 6 years is ₹ 3024. The sum is:
What is the average of first 16 multiples of 9?
Solve: \( 2.8 - (7.4 \div 3.7 \times 5) \times 2 \)
What is the least number that must be added to 6412 to get a perfect square?
The monthly salaries of A and B together amount to ₹ 40000. A spends 82% of his salary and B, 94% of his salary. If their savings are the same, then the salary of A is:
The sum of two numbers is 240. If the numbers are in the ratio 3 : 5, then the sum of their LCM and HCF is:
In a journey of total 24 km, a man noticed that after cycling for 1 hour 40 minutes, the distance covered by him was \( \frac{5}{7} \) of the remaining distance. What was his speed in meters per second?
A man sold two articles for ₹4000 each with no profit no loss in the whole transaction. If he sold one article at a gain of 25%, then the other article has been sold at a loss of:
Joseph started a business by investing ₹ 100000. After 2 months, B joined him by investing ₹ 90000. After 4 more months, C joined them by investing ₹ 100000. The ratio of their shares in the profit at the end of the year is:
The ratio of present ages of A, B, and C is 3 : 4 : 5. After 6 years, the average age of all the three will be 26 years. What was the difference between the ages of B and C, 4 years ago?
A and B can do a work in 120 days, B and C can do it in 72 days while A and C can do it in 90 days. In how many days can C alone do the work?
In a class of 60 students, 60% are boys. The average of marks of the boys is 68 and that of the girls is 72. What are the average marks of the whole class?
If \( a^4 + \frac{1}{a^4} = 322 \), then the value of \( a - \frac{1}{a} \) is: