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A can complete a work in 10 days, while B can complete the same work in 15 days. How many days will they take to complete the work together?

A. 6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A and B can complete a work in 24 days. If A works alone for 10 days and then B joins him, how many more days will they take to finish the work?

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

If the quadratic equation x^2 - 6x + 8 = 0 has roots r1 and r2, what is the value of r1 + r2?

B. 6
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

What is the result of dividing the polynomial 2x^3 + 3x^2 - x + 5 by x - 1 using synthetic division?

B. 2X^2 + 5X + 3
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

Which of the following is the correct factorization of the quadratic expression x^2 - 5x + 6?

A. (X - 2)(X - 3)
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics