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A and B can complete a work in 20 days together. If A alone can complete the work in 30 days, how long will B take to complete the work alone?

A. 60 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

A car travels 150 km in 3 hours. What is its average speed?

B. 60 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A cyclist covers a distance of 120 km 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

Two cars start from the same point and travel in opposite directions. If car A travels at 60 km/h and car B at 80 km/h, how far apart will they be after 2 hours?

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