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A can do a work in 15 days, B can do it in 20 days, and C can do it in 30 days. If they all work together, how long will it take to complete the work?

B. 5 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

What is the result of (x^2 - 1) ÷ (x - 1)?

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

What is the factorization of the polynomial x^2 - 5x + 6?

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

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

C. 4
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics