The average weight of 3 men A, B and C is 96kg. Another man D joins...
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The average weight of 3 men A, B and C is 96kg. Another man D joins the group and the average now becomes now 88 kg. if another man E, whose weight is 4 kg more than that of D, replace A, then the average weight B, C, D and E becomes 82 kg. The weight of A is: 1. 70 kg 2. 72 kg 3. 92 kg 4. 80 kg 5. None of these The average weight of 3 men A, B and C is 96kg. Another man D joins the group and the average now becomes now 88 kg. if another man E, whose weight is 4 kg more than that of D, replace A, then the average weight B, C, D and E becomes 82 kg. The weight of A is: 1. 70 kg 2. 72 kg 3. 92 kg 4. 80 kg 5. None of these
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Solution 3 Let the weights of A B C D E be a b c d e kgs respectively We know that Average Sum o... View the full answer
Related Book For
Cambridge International AS And A Level Chemistry Coursebook
ISBN: 9781316637739
2nd Edition
Authors: Lawrie Ryan, Roger Norris
Posted Date:
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