List of top Quantitative Aptitude Questions

If \( x^4 - x^3 + 2x^2 + ax + b \) is exactly divisible by \( x^2 - 3x + 2 \), then \( (a, b) \) is
The greatest number of four digits which is divisible by 15, 25, 40, and 75 is:

Which term in the expansion of \(( x - \frac{1}{x^3})^{40}\) is independent of \(x\)?

If \( x^2 + 2(K+2)x + 36 = 0 \) has equal roots, then \( K = \)
If Rakesh borrows Rs. 36,000 from Sathesh at a rate of interest 6% S.I, at the end of four years, how much interest does Rakesh have to pay?
If \( \frac{a}{c} = \frac{c}{d} = \frac{e}{f} \), then
A, B and C are three partners. They all together invested Rs 42,000 in a business. At the end of the year, A received Rs 377.50, B Rs 1085 and C Rs 637.50 as profit. The difference between the investments of B and C is:
The Standard Deviation of 2, 4, 6, 8, 10 is
The average age of 5 children is 8 years. If the age of the father is included to the children average becomes 13, then the age of the father is
A bag contains 3 red balls, 4 white balls, and 7 black balls. The probability of drawing a red or a black ball is
The greatest number of 5 digits which when divided by 4, 5, 6, 7, and 8 leaves 1, 2, 3, 4, and 5, respectively, as remainders is:
If each exterior angle of a regular polygon is \( 36^\circ \), then the number of sides of the polygon is
If \( y = \tan^{-1}(x) \), then \( \frac{dy}{dx} = \)
If \[ \frac{28.5}{5} \, \frac{21.5}{15} = \frac{15.5}{30} = \left( \frac{x}{4} \right)^3 - 3, \] then the value of \(x\) is:
The father is 7 times older than his son. After 5 years the sum of their ages would be 50 years. The son’s age at present is
If the 5th term of \( \left( 2x^2 + \frac{3}{x} \right)^5 \) is 10, then \( x = \)
Evaluate the limit: \[ \lim_{x \to 2} \left[ \frac{1}{x - 2} - \frac{1}{x^2 - 3x + 2} \right]. \]
If \( A \) is a non-singular 3x3 matrix, then \( \left| 5A \right| \) is
Evaluate the following expression: \[ \frac{0.963 \times 0.963 - 0.963 \times 0.037 + 0.037 \times 0.037}{0.963 \times 0.963 \times 0.963 + 0.037 \times 0.037 \times 0.037} \]
Find the correct number that will complete the series: 14, 26, 36, 44, 50, ________, 56
By selling an item at a discount of 20%, the profit is 20%. The profit percentage, if the item is sold at a discount of 10%, is:
The average age of 6 sons of a family is 8 years. The average age of the sons together with their parents is 22 years. If the father is 8 years older than the mother, then the age of the father (in years) is:
After allowing a discount of 12% on the marked price, a shopkeeper still gains 21%. How much (in percentage) is the marked price above the cost price?
Two trains arrived at a station at 10:45 am and 11:50 am with a late of 25 minutes and 30 minutes respectively. What is the time difference, in minutes, between their scheduled arrivals at the station?
Cynthia has borrowed Rs. 6,000 at the rate of 7% S.I. What amount does she need to pay after 3 years to clear the debt?