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If the highest common factor (H.C.F.) of two polynomials is x + 1 and their least common multiple (L.C.M.) is x^2 - 1, what is the product of the two polynomials?

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

If a train travels at a speed of 80 km/h, how far will it travel in 2.5 hours?

C. 160 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A vehicle travels 300 km at a speed of 60 km/h. How long does the journey take?

B. 5 HOURS
Posted in:  Time, Distance and Speed -  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

What is the sum of the roots of the quadratic equation x² - 5x + 6 = 0?

A. 5
Posted in:  Quadratic Equations -  Algebra -  Mathematics