A Pre-RMO question! -12

Probability Level 1

In a group of 200200 students, 2020 played cricket only, 3636 played tennis only, 4040 played hockey only, 88 played cricket and tennis, 2020 played cricket and hockey, 2828 played hockey and tennis and 80 played hockey.

Find the sum of number of students who did not played any of the games and number of students who only played hockey and cricket.

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