allery75 ଜଣ କର୍ମଚାରୀଙ୍କ ମଧ୍ୟରୁ, 40 ଜଣ Java, 35 ଜଣ Python ଏବଂ 10 ଜଣ କୌଣସିଟି ମଧ୍ୟ ଜାଣି ନାହାନ୍ତି। କେତେ ଜଣ ଉଭୟ ଜାଣିଛନ୍ତି?
A20
B10
C25
D15
Answer & Solution
Correct answer: B. 10
65 ଜଣ ଅତି କମରେ ଗୋଟିଏ ଭାଷା ଜାଣିଛନ୍ତି, ତେଣୁ ଉଭୟ = 40 + 35 - 65 = 10.
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