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The average weight of 10 students increased by 2 kg. if a student whose weight is 50kg is replaced by a new student. What could be the weight of the new student? |
65 70 85 75 |
70 |
Total number of students = 10 Increase in weight = 2 kg Replaced weight = 50 kg so the weight of the new student will be, 50 + 2 × 10 = 70 |
