List of top Quantitative Aptitude Questions

If 25x² + y² = 41 and xy = 4 where x, y > 0, then the value of (125x³ + y³) is :

If x²-4x+3=0, then what is the value of (x³+4x²+7x+24)(x²+2x+3)^-1?

If \(A=\frac{x^2-y^2}{x^2-y^2}\), \(B=\frac{x+y}{x^2+y^2+xy}\) and \(C=\frac{ 3xy^2-3x^2y}{x^2-y^2}\), then find the value of AB (A+C)

What should come in place of question mark\((?)\)in the following questions?
\(33.3 + 3.03 + 0.03 + 30.03 + 0.003 + 303 = ?\)

What should come in place of question mark\((?)\)in the following questions?
\((7.3\% \text{ of } 436) - (4.8\%\text{ of } 356) = ?\)

The difference between the largest and the smallest prime numbers below 100 is a multiple of two prime numbers. What is the sum of these prime numbers?

Two positive integers differ by 5. The sum of their reciprocals is 9/14. Then one of the numbers is:

What values of k will make 9x²+3kx+4 a perfect square?

How many natural numbers, when converted to base 3, are four-digit numbers, but when converted to base 4, are three-digit numbers ?

If x² - 12x + 1 = 0, then find the value of {x⁶ + x + x⁵ + 1}/x³

If x² - 8x = 1, then find the value of {(x⁶ + 12x³ - 1)/(x⁶ - 24x³- 1)}

What should come in place of question mark\((?)\)in the following questions?
\(65\%\text{ of } 284 + ? = 300\)

What should come in place of question mark\((?)\)in the following questions?
\((32)^2+\sqrt{?}-(23)^2=536\)

A chart consists of numbers from 1 to 360. What is the sum of all the numbers remained on the chart after removing all the multiples of 2, multiples of 3 and multiples of 5?

Let X=11×12×13×_____×75. Suppose ‘X’ is divisible by 10^2k (where ‘k’ is a natural no.). Find the maximum value of ‘k’.

If (x² - xy + y²) = 8 and (x⁴ + x²y² + y⁴) = 16, then find the value of (x² + xy + y²).

Find the greatest integral power of 2 in 41! + 42! + 43! + ……………+ 50!

What should come in place of question mark (?) in the following questions?
\(215\times ? \times 12 = 136585 + 7895\)

Which number should replace both the question marks in the following equation? \(\frac{?}{492}\)=\(\frac{123}{?}\)

when simplified, the product
\(\left\{2-\frac{1}{3}\right\}\)\(\left\{2-\frac{3}{5}\right\}\)\(\left\{2-\frac{5}{7}\right\}\)---\(\left\{2-\frac{999}{1001}\right\}\) is equal to

For any natural number n, suppose the sum of the first n terms of an arithmetic progression is n(n+1). If the nth term of the progression is divisible by 7, then the smallest possible value of n is:

Find the sum of all natural numbers from 48 to 99.

How many natural numbers, when converted to base 5 are four- digit numbers ?

How many four-digit numbers in base 4, when converted to base 5, will have unit digit zero ?

If \(\frac{5(4x^2+1)-3x}{4x}=8\) and x ≠ 0, then what is the value of \((√2x-\frac{1}{√2x}) \)?