If `x, y and z` are positive integers such that `27 x + 28y + 29z = 363,` find the value of `(x + y + z).`

If x,y and z are positive integers such that x < y < z and x + y + z = 6 , then what is the value of z?

If x, y and z are three integers such that x + y = 8, y + z = 13 and z + x =17, then the value of (x^2)/(yz) is :

If x, y, and z are consecutive integers, is x+y+z divisible by 3?

If (z^(x ^(2 ) +y ^(2)))/(z ^(-2xy ))= (z ^(3)), x and y are positive integers, and x gt y, what is the value of x -y ?

If x. y, z are positive real numbers such that x^2+y^2+z^2=27, then x^3+y^3+z^3 has

If x,y,z are positive distinct integers, then (x+y) (y+z) (z+x), is

If x, y, z are positive integers then value of expression (x+y)(y+z)(z+x) is

If x ,y ,a n dz are positive real umbers and x=(12-y z)/(y+z) . The maximum value of x y z equals.