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A and B can complete a work in 15 days and 20 days respectively. If they work together for 5 days, how much work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

A quadratic equation has roots 3 and -2. What is the quadratic equation in standard form?

A. X² - X - 6 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If A can do a piece of work in 15 days and B can do the same work in 10 days, how much time will they take to complete the work together?

B. 7.5 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If 3 men can complete a piece of work in 12 days, how many days will it take for 6 men to complete the same work?

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

What is the L.C.M. of the polynomials x^2 - 1 and x^2 - 4?

A. (X - 1)(X + 1)(X - 2)(X + 2)
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics