allery70 ଜଣଙ୍କ ଏକ ଗୋଷ୍ଠୀରେ, 40 ଜଣ ପତ୍ରିକା P, 30 ଜଣ ପତ୍ରିକା Q ଏବଂ 10 ଜଣ ଉଭୟ ପଢ଼ନ୍ତି। କେତେ ଜଣ ଠିକ୍ ଗୋଟିଏ ପଢ଼ନ୍ତି?
A55
B50
C40
D45
Answer & Solution
Correct answer: B. 50
ଠିକ୍ ଗୋଟିଏ = (40 - 10) + (30 - 10) = 50.
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