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A can do a work in 15 days, B can do it in 10 days. If they work together for 5 days, how much work is left?

C. 1/2
Posted in:  Time & Work -  Aptitude -  Mathematics

A quadratic equation has roots 4 and -2. What is the value of the coefficient b in the equation x^2 + bx + c = 0?

B. -8
Posted in:  Quadratic Equations -  Algebra -  Mathematics

Using the Remainder Theorem, what is the remainder when the polynomial f(x) = x^3 - 4x^2 + 6 is divided by x - 2?

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

What is the result of dividing the polynomial 3x^3 - 12x^2 + 9x by 3x?

A. X^2 - 4X + 3
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

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

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