The average of four consecutive even numbers is 27 . Find the largest of these numbers.
Sol. Let the numbers be `x, x + 2, x + 4 and x + 6, Then` ,
`(x + (x + 2) + (x + 4) + (x + 6))/(4) = 27`.
`rArr (4x + 12)/(4) = 27`
`rArr x + 3 = 27`
`rArr x = 24
`:.` Largest number = `(x + 6) ` = 24 + 6 = 30.
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