A relation R is defined on Z by xRy if 2x +5y = 0(mod7). Then the equivalence class[10] is equal to the equivalence class…

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📊 Discrete Structure (DS)

Q. A relation R is defined on Z by xRy if 2x +5y = 0(mod7). Then the equivalence class[10] is equal to the equivalence class…

(A) 3
(B) 4
(C) 5
(D) 6

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✅ Correct Answer: (A) 3

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