alleryତିନୋଟି ସେଟ୍ ପାଇଁ ପରସ୍ପରକୁ ଛେଦ କରୁଥିବା ବୃତ୍ତଗୁଡ଼ିକରେ ବାହାର ଅଞ୍ଚଳକୁ ମିଶାଇ କେତୋଟି ଅଞ୍ଚଳ ରହିବା ଆବଶ୍ୟକ?
A7
B8
C9
D6
Answer & Solution
Correct answer: B. 8
ତିନୋଟି ସେଟ୍ ସହିତ ପ୍ରତ୍ୟେକ ଉପାଦାନ ପ୍ରତି ସେଟ୍ର ଭିତରେ କିମ୍ବା ବାହାରେ ଥାଏ, ତେଣୁ 2 x 2 x 2 = 8 ଟି ଅଞ୍ଚଳ।
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