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A and B can do a piece of work in 20 days and 30 days respectively. How long will they take to finish the work together?

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

If one root of the quadratic equation x² + 4x + k = 0 is double the other root, what is the value of k?

B. 8
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If a work can be done by 4 men in 10 days, how many men are required to complete the same work in 5 days?

A. 8 MEN
Posted in:  Time & Work -  Aptitude -  Mathematics

What is the sum of the roots of the quadratic equation x^2 - 5x + 6 = 0?

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

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

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