If 2x + 3y = 12 and 3x - 2y = 5, then x and y must have the values :

D. 3 AND 2
Posted in:  Linear Equations -  Algebra -  Mathematics

The difference in the local value and the face value of 7 in the numeral 897504 is :

C. 6993
Posted in:  Numbers -  Arithmetic -  Mathematics

60 men undertook to finish a work in 62 days. They finished $2/3$ of the work in 32 days. How many men are required to finish the remaining work ?

A. 32 MEN
Posted in:  Time & Work -  Aptitude -  Mathematics

Twenty four children can complete a work in twelve days whereas sixteen men can complete the same work in nine days. In How many days will twelve men and twelve children comlete the same work ?

C. 8
Posted in:  Time & Work -  Aptitude -  Mathematics

Find the values of k ε R subject to the following condition :
The sum of the roots of $3x^2 + kx - 2 = 0$ is 6.

B. - 18
Posted in:  Quadratic Equations -  Algebra -  Mathematics