alleryସେଟ୍ A ରେ 15 ଜଣ ସଦସ୍ୟ ଅଛନ୍ତି ଏବଂ ଏହା ସମ୍ପୂର୍ଣ୍ଣ ଭାବରେ ସେଟ୍ B ଭିତରେ ରହିଛି, ଯାହାର 25 ଜଣ ସଦସ୍ୟ ଅଛନ୍ତି। A କିମ୍ବା B ରେ କେତେ ଜଣ ଅଛନ୍ତି?
A40
B15
C25
D10
Answer & Solution
Correct answer: C. 25
A ର ପ୍ରତ୍ୟେକ ସଦସ୍ୟ ପୂର୍ବରୁ B ରେ ଅଛନ୍ତି, ତେଣୁ ୟୁନିଅନ୍ ସରଳ ଭାବରେ B ର 25 ଅଟେ।
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