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Solve the quadratic equation x^2 - 4x - 5 = 0. What are the roots?

C. 5, -1
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

A can complete a task in 15 hours, B in 10 hours, and C in 5 hours. If they all work together, how long will it take to complete the task?

B. 3 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics

If a train travels at a speed of 90 km/h, how long will it take to cover a distance of 270 km?

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

If a person walks at a speed of 5 km/h, how far can they walk in 3 hours?

C. 15 KM
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