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A quadratic equation has roots 4 and -1. What is the equation in standard form?

A. X^2 - 3X - 4 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics

A person walks 5 km at a speed of 4 km/h and then runs 10 km at a speed of 10 km/h. What is the total time taken for the journey?

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

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