Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:  Choices:
A) 2:5
B) 3:5
C) 4:5
D) 6:7
E) 7:8
Explanation:   Let the third number be x.   Then, first number = 120% of x =120X/100=6X/5   Second number = 150% of x =150X/100=3X/2   Ratio of first two numbers =(6X/5-3X/2)= 12x : 15x = 4 : 5.   ANSWER IS 4:5
<result>C</result>
Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is: