What will be the average of all the even numbers between 11 and 27?

20 17.5 19 18

19

Even numbers b/w 11 to 27 . = 12 , 14 , 16 , 18 , 20 , 22 , 24 , 26 Average = \(\frac{First \;term \;+\; Last \;term }{2}\) = \(\frac{12 \;+\;26 }{2}\) = \(\frac{38}{2}\) = 19