S

Sneha

27 will be the middle number, ie in that series there will be 2 even numbers to the left of 27 and 2 to the right , series will be

24,26,28,30

So the largest number is 30

Or

Average =27

Let the largest number be x

Sum=27*4=108=x+(x-2) +(x-4) +(x-6)=4x-12

4x=105+12=120

X=120/4=30

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