Question:The average of `7`consecutive numbers is `33`.The largest of these numbers is : 

A `36` 
B `32` 
C `30` 
D `28` 

+ Answer
C 

+ Explanation
Let the numbers be `x,x + 2,x + 4 and `x + 6`.Then 

`(x + x + 2 + x + 4 + x + 6)/4`

`= 27⇒ (4x + 12)/4`

`= 27 ⇒ x + 3`

`= 27⇒ x = 24`

:. Largest number

`= (24 + 6)`

`= 30`

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Irin Moni

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