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A and B can complete a work in 20 days and 30 days respectively. If they work together for 10 days, how much of the work is left?

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

What is the remainder when the polynomial 2x^3 + 3x^2 - 5x + 7 is divided by x - 2?

A. 3
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

If a vehicle travels 240 km in 3 hours and 30 minutes, what is its average speed in km/h?

C. 70 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A and B can complete a work in 12 days and 15 days respectively. If they work together for 4 days, how much work is left?

B. 1/4
Posted in:  Time & Work -  Aptitude -  Mathematics

Which of the following is a factor of the polynomial x^2 + 6x + 9?

A. (X + 3)
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics