What is the sum of the roots of the quadratic equation x² - 5x + 6 = 0?

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

A cyclist covers a distance of 45 km in 1.5 hours. What is the cyclist's speed?

B. 30 KM/H

What is the solution to the quadratic equation x^2 - 4x + 4 = 0?

A. X = 2

A can do a work in 10 days, B can do it in 15 days, and C can do it in 30 days. If they work together, how long will it take to complete the work?

B. 6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

What is the H.C.F. of the polynomials 4x^2y and 8xy^2?

B. 4XY