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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

If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of a if b = -7 and c = 12?

A. 1
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

C can finish a work in 20 days, while D can finish it in 25 days. If they work together, how long will it take them to finish the work?

B. 12 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 long will it take for both A and B to complete the work together?

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

Which of the following quadratic equations has roots that are both real and equal?

A. X² - 4X + 4 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics