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Which of the following equations represents a quadratic equation?

B. X² - 4X + 4 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics

For the quadratic equation x² + 4x + 4 = 0, what are the roots?

A. -2, -2
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If the quadratic equation x² + px + q = 0 has roots 3 and -1, what is the value of p + q?

B. 2
Posted in:  Quadratic Equations -  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 long will it take to cover a distance of 270 kilometers?

B. 3 HOURS
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics