Three numbers are in the ratio 4 : 5 : 6 and their average is 20 . The largest number is:
Pick:
A) 24
B) 32
C) 36
D) 42
E) 45
Explanation:   Let the numbers be 4x, 5x and 6x. Therefore,   (4x+5x+6x)/3 = 20   15x = 60   x = 4   Largest number = 6x = 24.   24NSWER 24
<result>A</result>
Three numbers are in the ratio 4 : 5 : 6 and their average is 20 . The largest number is: