What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

A can complete a work in 12 days, while B can complete the same work in 18 days. How many days will they take to complete the work together?

B. 8 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If A can do a piece of work in 15 days and B can do it in 20 days, how long will it take for both A and B to complete the work together?

B. 12 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If f(x) = x^2 - 5x + 6, what are the roots of the equation f(x) = 0?

A. 2 AND 3

A quadratic equation has roots 3 and -2. What is the quadratic equation in standard form?

A. X² - X - 6 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics