The mean weight of 25 students of a class is 60kg. If the mean weight of first 13 students of the class is 57kg, and that of the last 13th students is 63kg. Find the weight of the 13th student.
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Step-by-step explanation:
The three most common methods are basin irrigation, border irrigation and furrow irrigation. Water is typically introduced at the highest point or along the edge of a field, which allows covering the field by overland flow.
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