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What is the result of 7! (7 factorial)?

A. 5040
Posted in:  Numbers -  Arithmetic -  Mathematics

A person walks at a speed of 5 km/h for 1 hour and then runs at a speed of 10 km/h for 1 hour. What is the total distance covered?

B. 15 KM
Posted in:  Time, Distance and Speed -  Aptitude -  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 travels 150 km in 3 hours. What is its average speed?

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

If A can do a piece of work in 15 days and B can do the same work in 20 days, how much time will they take to complete the work together?

A. 12 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics