The weight of 6 players in a volley ball team are all different and the average weight is 60 kilograms
i) Prove that the team has at least one player weighing more than 60 kilograms.
ii) Prove that the team has at least one player weighing less than 60 kilograms.

The weights of players in a team are 68 kilograms, "72 kilograms, 80 kilograms, 70 kilograms, 60 kilograms, 70 kilograms. What -is the average weight of a player In the team?

In a group of 6 boys and 4 girls, a team consisting of four children is formed such that the team has at least one boy. The number of ways of forming a team like this is

Three groups of 10 kids. The average weight of a kid in each group is 35 kilograms. One more kid joined each group. i) The average weight of a kid in the first group is still 35 kilograms. ii) The average weight of a kid in the second group is now 36 kilograms. iii) The average weight of a kid in the third group is now 34 kilograms. Compute the weight of the new kid in each group.

In a suryey of 60 people, it was.found that 25 people read newspaper' 'H, 26' read newspaper 'T, 26' read newspaper 'I, 9' read both 'H' and 'I, 11' read both 'H' and 'T, 8' 'read both T and I, 3 read all three newspapers. Find. i) the number of people who read at least one of the newspapers. ii) the number of people whó read exactly one newspaper.