Three numbers are in the ratio 4 : 5 : 6 and their average is 25 . The largest number is:
Choose the correct choice from the following answers
A) 28  B) 30  C) 36  D) 42  E) 45
Explanation:   Let the numbers be 4x, 5x and 6x. Therefore,   (4x+5x+6x)/3 = 25   15x = 75   x = 5   Largest number = 6x = 30.   ANSWER 30
<result>B</result>
Three numbers are in the ratio 4 : 5 : 6 and their average is 25 . The largest number is: