Out of 800 players interviewed on their interest in Hockey and Football, 70% liked Hockey while 3/4 of them liked football. If 1/5 of them did not like any of the two games. Find how many players liked i. Hockey
ii. Football
iii. Both Hockey and Football
iv. Only one of the two games
v. illustrate the above information on a Venn diagram​

Arandom sample of 240 park users were asked if they go to the park more often on weekdays or on the weekend. the results are shown in the table. weekdays weekend male 50 10 female 150 30 based on the data in the table, select correct or incorrect for each statement. correct incorrect the males go to the park more often on the weekend. the females go to the park more often on weekdays. for the participants in the survey, gender affects which days of the week a person goes to the park.

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?