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A can complete a work in 12 days, while B can complete the same work in 18 days. How long will they take to complete the work together?

B. 8 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If a pipe can fill a tank in 6 hours and another pipe can empty it in 8 hours, how long will it take to fill the tank if both pipes are opened together?

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

A and B can complete a work in 18 days and 24 days respectively. If they work together for 6 days, how much work is left?

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

A can do a work in 30 days, B can do the same work in 45 days. If they work together for 10 days, how much of the work is left?

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

Using the Remainder Theorem, what is the remainder when the polynomial f(x) = x^3 - 4x^2 + 6 is divided by x - 2?

B. 2
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics