নির্দেশনা: নিচের বিকল্পগুলি থেকে ভিন্নটি নির্ণয় করুন।
In the following question, out of four, three are similar in a certain manner, and one figure is different from the other three. Choose a figure that is different from the others.
\(41, 43, 47, 53, 61, 71, 73, 81\)
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