The combined salary of X,Y and Z is Tk. 90, X earns twice of what Z earns, and Y earns 5 times of what Z earns. What is the lowest salary of the three?
সমাধান
সঠিক উত্তর: Option A
X:Y:Z = 2:3/2:1 = 4:3:2
now, lowest salary is earned by Z, as we can see from the ratio.
Z's salary = 2*90000/9 = 20000 tk