UPSC Civil Services 2020 Prelims General Studies Paper II
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Question : 11 of 80
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In the sum ⊗ + 1 ⊗ + 5 ⊗ + ⊗ ⊗ + ⊗ 1 = 1 ⊗ ⊗ for which digit does the symbol ⊗ stand?
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