If 45% of z is 60% of y and y is 75% of x, what percent of x is z? Answers
A) 200	B) 160	C) 100	D) 65	E) 50
(45/100)z = (60/100)y   and y = (75/100)x i.e. y = (3/4)x   i.e. (45/100)z = (60/100)*(3/4)x   i.e. z = (60*3)x/(45*4)   i.e. z = (1)x = (100/100)x   i.e. z is 100% of x   Answer: Option 100
<result>C</result>
If 45% of z is 60% of y and y is 75% of x, what percent of x is z?