allery50 ଜଣ ସଦସ୍ୟ ଥିବା ଏକ କ୍ଲବ୍ରେ, 28 ଜଣ ଚେସ୍ ଖେଳନ୍ତି, 24 ଜଣ କ୍ୟାରମ୍ ଖେଳନ୍ତି ଏବଂ 8 ଜଣ କୌଣସିଟି ଖେଳନ୍ତି ନାହିଁ। କେତେ ଜଣ ଉଭୟ ଖେଳ ଖେଳନ୍ତି?
A10
B12
C14
D16
Answer & Solution
Correct answer: A. 10
Union = 50 - 8 = 42. ଉଭୟ ଖେଳୁଥିବା = n(Chess) + n(Carrom) - Union = 28 + 24 - 42 = 10.
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