allery200 ପରିବାର ଥିବା ଏକ ଗାଁରେ, 120 ପରିବାର ପାଖରେ ଗାଈ ଏବଂ 90 ପରିବାର ପାଖରେ ଛେଳି ଅଛନ୍ତି; 30 ପରିବାର ପାଖରେ ଉଭୟ ଅଛନ୍ତି। କେତେ ପରିବାର ପାଖରେ କୌଣସିଟି ନାହିଁ?
A20
B10
C30
D40
Answer & Solution
Correct answer: A. 20
ଅତି କମରେ ଗୋଟିଏ ଥିବା ମାଲିକ = 120 + 90 - 30 = 180, ତେଣୁ 200 - 180 = 20 ଜଣଙ୍କ ପାଖରେ କୌଣସିଟି ନାହିଁ।
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