Two identical beakers contain 100 ml of wayer at the same temperature. In one beaker m kg of stream is allowed to flow at e73k . In the other beaker m kg of water is added at 100c. In which beaker will the water be observed to have a higher temperature and why?
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7The marks by 100 students in an examination given below: Marks: 30-35 35-40 40-45 45-50 50-55 55-60 60-65 Number of Students: 14 16 28 23 18 8 3 Find the mean marks of the students.
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