(a) Find `x+y+z` (b) Find `x+y+x+w`

(a) Find x+y+z (b) Find x+y+z+w

(b)Find x+y+z+w

Find x + y + z + w

Find x+y+z+w

Find x+y+z+w

if x , y , z , a n d w be the digits of a number beginning from the left , the number is x y z w (b) w z y x (c) x + 10 y + 100 z + 1000 w (d) 10^3x+10^2y+10 z+w

x y : y z : z x = 1 : 5 : 9 Find ( x + y ) : ( y + z ) : ( z + x ) = ?