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1)

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


A) 30

B) 32

C) 36

D) 42

E) 45

Answer:

Option A

Explanation:

Let the numbers be 4x, 5x and 6x.
Then, 4x+5x+6x3=25
5x=25x=25.
Largestnumber=6x=30.