allery100 ଜଣ ଲୋକଙ୍କ ମଧ୍ୟରୁ, 30 ଜଣ କେବଳ ସେଟ୍ P ରେ, 25 ଜଣ କେବଳ ସେଟ୍ Q ରେ ଏବଂ 20 ଜଣ ଉଭୟରେ ଅଛନ୍ତି। କେତେ ଜଣ କୌଣସିଟିରେ ମଧ୍ୟ ନାହାନ୍ତି?
A45
B35
C25
D15
Answer & Solution
Correct answer: C. 25
ବୃତ୍ତ ଭିତରେ: 30 + 25 + 20 = 75, ତେଣୁ 100 - 75 = 25 ଜଣ ବାହାରେ ଅଛନ୍ତି।
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