Question 7 of 100In a sports competition, 29 medals were awarded in swimming, 18 in racing and 22 in tennis. It is given that 6 players got medals in all 3 activities and a total of 50 players were awarded medals in the competition. If a player can win at most 1 medal in 1 activity, then which of the following is the number of players who received exactly 2 medals in the competition?
Correct Answer: A
Question 8 of 100Which of the following is the number of proper subsets of:
Correct Answer: C
Question 9 of 100
Correct Answer: C
Question 10 of 100P is a set of integers in an arithmetic progression. If the mean of set P is 0, one of the terms of set P is 0.