The average weight of 3 men A, B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E, whose weight is 3 kg more than that of D, replaces A then the average weight et B,C,D and E becomes 79 kg. The weight of A is? Question Description : 80707579

The average weight of A, B and C is 84 kg. A fourth man D joins them andthe average weight four becomes 80 kg. If E whose is 3 kg more than D, replaces A, the average weight of B, C D and E becomes 79kg.The weight of A.Options9045958075

A, B, C and D are four friends, each of whom weighs less than 100 kg. From amongst them they form a group and find the total weight of that group. If the sum of the total weights of all possible distinct groups, each having the same number of members as in the first is 882 kg, then what is the average weight of the four friends?1 point41.75 kg63.5 kg73.5 kgnone of these

The average weight of four boys A, B, C, and D is 75 kg. The fifth boy E is included and the average weight decreases by 4 kg. A is replaced by F. The weight of F is 6 kg more than E. Average weight decreases because of the replacement of A and now the average weight is 72 kg. Find the weight of A. 57 kg 54 kg 56 kg 60 kg

the average weight of 8 men is increased by 1.5 kg when one of the men weigh 65 kg is replaced by new man what is he weight of the new man

Out of a class of 64 people ,7 people of average weight 61 kg leave, and immediately 3 people weighing 70kg ,77 kg and 68 kg join. there by making the new average weight of the class 69 kg. What was the original average weight of the class of 64 people?