allery100 ଜଣଙ୍କ ଏକ ଗୋଷ୍ଠୀରେ 60 ଜଣ ପହଁରନ୍ତି, 45 ଜଣ ସାଇକେଲ ଚଲାନ୍ତି ଏବଂ 15 ଜଣ ଏଥିମଧ୍ୟରୁ କିଛି ବି କରନ୍ତି ନାହିଁ। କେତେ ଜଣ ଉଭୟ କରନ୍ତି?
A20
B25
C15
D30
Answer & Solution
Correct answer: A. 20
85 ଜଣ ଅତି କମରେ ଗୋଟିଏ କରନ୍ତି, ତେଣୁ ଉଭୟ = 60 + 45 - 85 = 20।
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