What is the average value of the following length 11=135.0cm,/2=136.5cm,13=134.0 cm, /4=134.5 cm

What is the average value of the following length 11=135.0cm,/2=136.5cm,13=134.0 cm, /4=134.5 cm
135.0 cm
145.0 cm
135.6 cm
non of the above

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