Three numbers are in the ratio 4 : 5 : 6 and their average is 30 . The largest number is:	Choices.
A) 33 B) 77 C) 36 D) 18 E) 16
Explanation:   Let the numbers be 4x, 5x and 6x. Therefore,   (4x+5x+6x)/3 = 30   15x = 90   x = 6   Largest number = 6x = 36.   ANSWER:36
<result>C</result>
Three numbers are in the ratio 4 : 5 : 6 and their average is 30 . The largest number is: