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If 5 men can complete a work in 20 days, how many days will 10 men take to complete the same work?

A. 10 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of a if b = -7 and c = 12?

A. 1
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

A can do a piece of work in 12 days, while B can do it in 18 days. If they work together for 6 days, how much work is left?

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

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

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

If x = 3 and y = 4, what is the value of x^2 + y^2?

A. 25
Posted in:  Numbers -  Arithmetic -  Mathematics