Answers

2016-03-30T15:08:14+05:30
110+120/2 =230/2 =115
0
2016-03-30T16:35:52+05:30
Class mark =(lower limit + upper limit)/2= ( 110 + 120 )/2 = 230/2= 115. Class mark is 115
1 5 1
Sorry it's 115
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