Three numbers are in the ratio 4 : 5 : 6 and their average is 39 . The largest number is: Select the correct option.
A) 28  B) 32  C) 36  D) 42  E) 46.8
Explanation:   Let the numbers be 4x, 5x and 6x. Therefore,   (4x+5x+6x)/3 = 39   15x = 117   x = 7.8   Largest number = 6x = 46.8.   ANSW46.8R 46.8
<result>E</result>
Three numbers are in the ratio 4 : 5 : 6 and their average is 39 . The largest number is: