Three numbers are in the ratio 4 : 5 : 6 and their average is 25. The largest number is :

30
40
50
60

Correct Answer: 30

Explanation:

Let the numbers be 4x, 5x and 6x, Then, (4x + 5x + 6x ) / 3 = 25

=> 5x = 25

=> x = 5.

Largest number 6x = 30.

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