Home  / Mathematics
Algebra
Arithmetic
Aptitude

A and B can complete a work in 12 days and 15 days respectively. If they work together for 3 days, how much work is left?

D. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

What are the roots of the quadratic equation x^2 - 7x + 10 = 0?

A. 2 AND 5
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If the quadratic equation x^2 + 6x + 9 = 0 is solved, what is the nature of its roots?

B. ONE REAL ROOT (REPEATED)
Posted in:  Quadratic Equations -  Algebra -  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

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