the average weight of the these students are 50 kg if the weight of 3 students is 40 70 30 respectively what is the weight of the 4th student
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Average weight of 4 students = 50 kg
Total weight of 4 students = 50 ×4
= 200 kg
Weight of 3 students = 40+70 +30 =140 kg
Weight of the 4th student =weight of total
students - weight
of 3 students
= 200 kg - 140 kg
= 60 kg ans.
Total weight of 4 students = 50 ×4
= 200 kg
Weight of 3 students = 40+70 +30 =140 kg
Weight of the 4th student =weight of total
students - weight
of 3 students
= 200 kg - 140 kg
= 60 kg ans.
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