railway RRB Technician Grade 1 Mock Test 2024 Mathematics Sets Set Theory and types of Sets

In a class of 50 students, 15 do not participate in any games and the rest play atleast one of two games Hockey or Kabaddi. 25 play Hockey and 20 play Kabaddi. Find the number of students who play both.

1

45

2

10

3

15

4

30

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