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If C can do a work in 30 days and D can do it in 45 days, how long will it take for C and D to complete the work together?

C. 22.5 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

Which of the following is a factor of the polynomial x^2 - 5x + 6?

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

A, B, and C can complete a work in 10, 15, and 30 days respectively. If they work together for 5 days, how much work is left?

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

A and B can complete a task 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

If C can do a piece of work in 24 days and D can do it in 16 days, how long will it take for them to complete the work together?

A. 9.6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics