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What is the product of the roots of the quadratic equation x² - 7x + 10 = 0?

A. 10
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If one root of the quadratic equation x² + 4x + k = 0 is double the other root, what is the value of k?

B. 8
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If a train travels at a speed of 90 km/h, how far will it travel in 2.5 hours?

B. 225 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics