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

A. 2X
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

What is the sum of the roots of the quadratic equation x² - 5x + 6 = 0?

A. 5
Posted in:  Quadratic Equations -  Algebra -  Mathematics

Which of the following is a correct factorization of the quadratic equation x² - 4?

A. (X - 2)(X + 2)
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If A can do a piece of work in 12 days and B can do it in 15 days, how long will it take for both A and B to complete the work together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If A can do a piece of work in 12 days and B can do it in 18 days, how much time will they take to complete the work together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics