Answers

2014-11-12T20:27:38+05:30
123+137+142+126+172+168+144+156÷8= 146this is the avg. Height of that group
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Yeh sorry yaar the answer is 146 I want to change but there is some editing problem
2014-11-13T06:31:39+05:30
total height = 1168 cm
number of persons = 8
there fore their average height = 1168/8 cm
= 146 cm 
ANS = the average height of the group is 146 cm.
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