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Which of the following is a factor of the polynomial x^2 - 5x + 6?

C. X - 3
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

If A can do a piece of work in 15 days and B can do it in 10 days, how long will it take for both A and B to complete the work together?

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

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

If a pipe can fill a tank in 6 hours and another pipe can empty it in 8 hours, how long will it take to fill the tank if both pipes are opened together?

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

If one root of the quadratic equation x^2 + 3x + k = 0 is twice the other root, what is the value of k?

B. -4
Posted in:  Quadratic Equations -  Algebra -  Mathematics