In the 8th grade there are 3 teams A, B, and C having 28, 35 and 37 st..
In the 8 th grade there are 3 teams A, B, and C having 28, 35 and 37 students respectively. The mean score of Team A is 60%, of Team B is 70% and of Team C is 85%. Find the mean score of the entire 8th grade. => 75.75 or 72.75 or 71.66 or 33.33..
Metals and Non-metals
The progress of the civilization was first benchmarked by man's increasing knowledge and usage of metallic deposits in the earth's crust. Early man used stones, bones and wood to fulfill their requirements of hunting, cooking and buildin..
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