1 . In a room of 36 people. 20 players play chase while 28 players play poker. How many players play both?
- A. 45
- B. 20
- C. 12
- D. 28
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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &- Assistant Programmer-০৮/১০/২০২১
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