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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

A car travels 150 kilometers in 2 hours. What is its average speed?

B. 75 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

If a train travels at a speed of 90 km/h, how far will it travel in 3 hours?

C. 270 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A cyclist covers a distance of 120 kilometers in 4 hours. What is the speed of the cyclist in km/h?

B. 30 KM/H
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