List of top Quantitative Aptitude Questions

A salesman gets a commission of 12% on the sales of products. He sold products worth 67000 last month. This month, the company changed the payment structure. A salesman would get a fixed pay of 5000 and 8% commission on the sales exceeding 32000. If he makes a sale of 67000, his earning from the previous month will reduce by

If \(3a25b\) is divisible by 12, find the maximum value of \(|a-b|\).

There are 3 students from section A, 5 from section B and 4 from section C. In how many ways can they occupy 6 seats such that the leftmost seat is occupied by a student of section A and the remaining seats are occupied by 3 students of section B and 2 students of section C?

Evaluate the value of the following expression:
\[ 3^{\left(2+\log_3 5\right)} \div \log_{25} 125 \]

What is the value of \(7^{\left(3+\log_7 5\right)} \) ?

If \( \frac{a}{b} = \frac{1}{3} \), \( \frac{b}{c} = \frac{2}{2} \), \( \frac{c}{d} = \frac{1}{2} \), \( \frac{d}{e} = \frac{3}{3} \) and \( \frac{e}{f} = \frac{1}{4} \), then what is the value of \( \frac{abc}{def} \)?

The average age of 100 teachers in a college in 2000 was 50 years. In 2002, 20 teachers superannuated from their jobs, whose average age was 60 years. In 2005, 40 new teachers joined the college whose average age was 38 years. What was the average age of all the teachers in 2008?

Find the least possible 3 digit number which when successively divided by 2, 5, 4 and 3 leaves the remainders 1, 1, 3 and 1 respectively.

Sum of squares of two numbers is 3341 and difference is 891. Find numbers.

Two trains meet. After meeting reach in 4h and 9h. Find speed ratio.

Selling at Rs.1140 gives 5% loss. Find SP for 5% profit.

Salaries ratio 2:3. After adding Rs.4000 each \(\rightarrow\) ratio 40:57. Find Jimmy's salary.

Loan at 12% SI for 3 years gives Rs. 5400 interest. Find principal.

Nitin ranks eighteenth in a class of 49 students. What is his rank from the last?

The ratio of two numbers is 3 : 5. If 39 is added to the first, and 14 is added to the second, then the ratio becomes 6 : 7. What will be the ratio if 11 is added to the first number and 6 is added to the second number?

The ratio of the present ages of a father and son is 7 : 2. After 10 years, the ratio becomes 9 : 4. The present age of the father is:

A and B start a business investing Rs. 25,000 and Rs. 35,000 respectively. If the annual profit is Rs. 24,000, B's share is:

In a survey of 800 people, 45% preferred tea and the rest preferred coffee. How many more people preferred coffee than tea?

A company sold 1,200, 1,500, 900 and 1,400 units over four quarters. What is the average quarterly sales?

Two dice are thrown together. What is the probability that the sum of the numbers is 8?

In how many ways can the letters of the word 'LEADER' be arranged?

If \(2^{x} = 8^{\,y+1}\) and \(9^{\,y} = 3^{\,x-9}\), then the value of \(x\) is:

The value of \(\sqrt{6+\sqrt{6+\sqrt{6+\cdots}}}\) (continued infinitely) is:

What is the value of the sum \(\dfrac{1}{1\cdot2} + \dfrac{1}{2\cdot3} + \dfrac{1}{3\cdot4} + \cdots + \dfrac{1}{9\cdot10}\)?

The third term of a GP is 12 and the sixth term is 96. The first term is: