Home  / Mathematics
Algebra
Arithmetic
Aptitude

What is the L.C.M. of the polynomials x^2 - 1 and x^2 - 4?

A. (X - 1)(X + 1)(X - 2)(X + 2)
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

C can complete a work in 10 days, and D can complete the same work in 15 days. If they work together for 5 days, how much work is left?

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

If A can finish a job in 24 hours and B can finish the same job in 36 hours, how long will it take them to finish the job together?

B. 18 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics

A can do a piece of work in 12 days, B can do it in 15 days, and C can do it in 20 days. If they work together, how long will it take to complete the work?

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

A and B can complete a work in 15 days and 20 days respectively. If they work together for 5 days, how much of the work is left?

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