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If A can do a piece of work in 12 days and B can do it in 18 days, how long will it take for both A and B to complete the work together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

What is the sum of the roots of the quadratic equation 2x² - 4x + 1 = 0?

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

If the roots of the quadratic equation x² - 5x + k = 0 are real and equal, what is the value of k?

A. 6.25
Posted in:  Quadratic Equations -  Algebra -  Mathematics

A car and a bike start from the same point. The car travels at 80 km/h and the bike at 40 km/h. How far apart will they be after 1 hour?

A. 40 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A person walks 5 km in 1 hour. If he continues at the same speed, how long will it take him to walk 20 km?

B. 4 HOURS
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics