The combined salary of X , Y and Z is Tk. 90,000. X earns twice of what z earns, and Y earns 1.5 times of what is the lowest salary of the three?
A
20,000
B
22,000
C
25,000
D
30,000
Correct Answer: 20,000
Lets amount = z tk 2z + 1.5z + z = 90000 4.5z = 90000 z = 20000