help me out with this problem
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please refer to the attachment
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kush1915:
thnakyou very much for your efforts
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166-106= 60
difference comes as 60
so av diff = 60/35 =12/7 = 1.71
hence actual av = 180-1.71= 178.29
difference comes as 60
so av diff = 60/35 =12/7 = 1.71
hence actual av = 180-1.71= 178.29
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